mina

This page lists questions and answers that were posted by visitors named mina.

Questions

The following questions were asked by visitors named mina.

how do i expand and simplify (2x+5) (3x-4)

the biology club budgeted $200 for their pancake breakfast. each meal costs $1.50 to prepare. write an inequality that represents the number of meals that can be prepared without going over the budget.

Factor y2 + 10z - 10y - yz.

What's the purpose of "PREPARATION OF A SYNTHETIC PLANT HORMONE Adapted from "p-Chlorophenoxyacetic Acid – Preparation of a Synthetic Plant Hormone." thanks

Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. · Bold each adverb. · Underline each adjective. · Compare the event to one or more similar events. When comparing, u...

how can i use five adverbs and five adjectives in senteses

my teacher ask me What recommendation does the calculator make for you? what that mean

You have a sample of NaCl that contains 100 mg/ml NaCl. You are trying to perform an reaction that requires 10ml of 20 mg/ml. Enter in the correct amount (in ml) of Stock NaCl solution you need to use to make 10ml of 20 mg/ml NaCl

A videocassette manufacturer has determined that its weekly cost equation is C = 3000 + 10x, where x is the number of cassettes produced and sold each week. If cassettes are sold for $15 each to distributions, how many must be sold each week for the compa...

An American standard analog television picture (non-HDTV), also known as NTSC, is composed of approximately 485 horizontal lines of varying light intensity. Assume your ability to resolve the lines is limited only by the Rayleigh criterion, the pupils of...

4m + 1, m + 1 and 10 - m are the first three terms of a geometric sequence. Find t4.

how do we know that there are 100 trillion cells in our body i mean who count them or is there any activity behind?

writing a program using loop structure, need the equation to produce all even numbers from 2-100 to print out each time I go through the loop

collagen vascular disease ,affect the protein collagen ,the main component of collagen fibers. predict the possible consequence of defective collagen fibers on specific organs and tissues how would effect of collagen vascular disease that affected only th...

Rony would rather that zahid had not lived in the room where the former studies.. correct the sentence

Data were collected, using a sample survey, on the inhabitants of a British town. Among other things, the respondents were asked their age and their satisfaction with the shopping opportunities in the local high street. These data were used to construct a...

Select the TWO options that are TRUE statements about two-sample t-tests. Select one or more: The same formula is used for the ESE (estimated standard error) in the two-sample t-test with a common variance and the two-sample t-test with unequal variances....

what is one of the themes in the three golden apples by nathan hawthorn

Idk if i got these correct so could somebody check? if i got them wron tell me which one and i'll try and see what i misunderstood myself. 8A Using Credible Sources Quick Check 1.) What is one criterion a writer should use when evaluating a source? my ans...

A flagpole casts a shadow that is 23 feet long. Jorge is 5.25 feet tall, and while standing near the flagpole he casts a shadow that is 3 feet long. How tall is the flagpole?

A palm tree that is 32 feet tall, casts a shadow that is 26 feet long. Matt is 6 feet tall and standing near the palm tree. Use the figure above to determine the length of Matt’s shadow. Round to the nearest tenth.

Use the Quadratic Formula to solve the quadratic equation. (Enter your answers as a comma-separated list.) x2 − 10x + 19 = 0

Ca(OH)2 has a Ksp of 6.5×10−6. If 50 mL of the solution from part A (0.370 g Ca(OH)2 added to 500 mL of water) is added to each of the beakers shown here, in which beakers, if any, will a precipitate form? 1. 50 mL 1.0 M HCl 2. 50 mL 1.0 M NaCl 3. 50 mL 1...

The solubility of CaCO3 is pH-dependent. Ka1(H2CO3)=4.3×10^−7 Ka2(H2CO3)=5.6×10^−11 a. Calculate the molar solubility of CaCO3 (Ksp = 4.5×10^−9) neglecting the acid-base character of the carbonate ion. b. Use the Kb expression for the CO3^2− ion to determ...

What pH buffer solution is needed to give a Mg2+ concentration of 3.0×10−2 M in equilibrium with solid magnesium oxalate?

A direct current is applied to a solution of CaBr^2, and a gas is evolved from one of the electrodes. a. Is the gas involved at the anode or the cathode b. What is the gas?

You have a steel ball that has a mass of 6.0 kg and a volume of 3.0 * 10 -3 m3 . How can this be?

You have a steel ball that has a mass of 6.0 kg and a volume of 3.0 * 10^-3 m^3.

You have a steel ball that has a mass of 6.0 kg and a volume of 3.0 * 10^-3 m^3. The density of the steel ball is 2.0 g/cm^3. How can this be?

Compare the density of water at 0°C to the density of ice at 0°C, 0.9998 g/cm^3 and 0.917 g/cm^3. Suggest possible explanations in terms of the molecular arrangements inside the liquid and solid forms of water that would account for the difference.

The reading of a barometer in your room is 780 mm Hg. What does this mean? What is the pressure in pascals?

Why did Frederick Jackson Turner claim the frontier was “closed?”

What was life like in the West? What opportunities were created for people through westward expansion? What was the influence of the West on American culture? What was the influence of the West on the American economy? Why do you think the West is romanti...

A metal boat floats in a pool. What happens to the level of the water in the pool if the boat sinks?

Draw a force diagram for an object that is floating at the surface of a liquid. Is the force exerted by air on the object included in your diagram? Explain.

How can you determine if a steel ball of known radius is hollow? List the equipment that you will need for the experiment, and describe the procedure and calculations. Can you determine how big the hollow part is if present in the ball?

A straw extends out of a glass of water by a height h. How fast must air blow across the top of the straw to draw water to the top of the straw?

A block of mass is placed on top of a movable piston with mass and area in a cylindrical container filled with an ideal gas. The block and piston are pushed down until the gas is at pressure . When the block and piston are released, they accelerate upward...

A gas contains two types of particles. Particle A has mass m and velocity vo in the +z-direction. It collides head-on with particle B that has mass 5m and velocity 2vo in the -z-direction Electrostatic force then holds the particles together. What is the...

Antimony has two naturally occuring isotopes, 121 Sb and 123 b. 121Sb has an atomic mass of 120.9038 u, and 123 Sb has an atomic mass of 122.9042 u. Antimony has an average atomic mass of 121.7601 u. What is the percent natural abundance of each isotope?

a positive charge is shot toward a positive charge. using the concept of energy why does the charge slow down

What was significant about how the Ku Klux Klan gained power and influence in the South? Select the two that apply. (2 points)ResponsesIt was a group of white Democrats who wanted to regain control of the government It was a group of white Democrats who w...

Find the measure of angle A. Round your answer to the nearest whole number. No hypotenuse, Adjacent = 25, Opposite = 20

Find the measure of θ . Round your answer to the nearest whole number. No hypotenuse, Adjacent = 5cm, Opposite = 2 cm

If a right triangle has a leg A that measures 7 units and a hypotenuse, C, that measures 9 units. A. Is it a Pythagorean triple? B. Show your steps AND explain how you know.

Answers

The following answers were posted by visitors named mina.

i don't know what to do

do you have any idea?

y = 1/4x can be written as y = 1/4x + 0 This is in slope-intercept form: y = mx+b, where m is the slope and b is the y-intercept. y = 1/4x + 0 The slope is 1/4 and the y-intercept is 0. Slope = rise/run

(-9-7)/16=-16/16= -1

mina q=-256 J w=-1398 J DU=-1654 J

jack has 3/4 of a dollar. Maxwell has 1/10 of a dollar. Do they have more or less than $1.oo in all?

The perimeter of a scalene triangle is 14.5 cm. The longest side is twice that of the shortest side. Which equation can be used to find the side lengths if the longest side measures 6.2 cm?

gosh this took forever to type out.

im mostly looking for a teacher

For Determine the missing term. "48, _, 24, 12" it may be 36

the others im still working on

for What are the next 3 terms in the pattern of "24, 32, 40"? i think they are 48, 56, and 64 for What are the next 3 terms in the pattern of "90, 80, 70"? they might be 60 50 and 40. 2hat are your choices and do you read them left to right or right to le...

Answers: specific information that supports an idea They are ideas used to support a claim.

Whats the passage..?

They are correct! I just took the test :)

I think Both Diameter and radius. /Ms/Mrs. Oobleck I'm not entirely sure though. I have seen this question before..

Although what are your choices??

Sorry meant to put Mr/

Enter your answer and show all the steps that you use to solve this problem in the space provided. Solve. -2/5x-9<9/10

So in the end, beaker 3 with 1.0 M CaCl2 will form a precipitate with 0.370 g Ca(OH)2 added to 500 mL of water because the calculated Qsp of Ca(OH)2 is greater than Ksp of Ca(OH)2. Thank you DrBob!

but if we use the mass and volume given, our density is 2000 kg/m^3, not 7800 kg/cm^3

why do countries trade goods and services

could the answer be Because they want to reduce independence, Because they do nit have all the goods and resources they need, Because they want to help other countries grow, or Because they want to protect domestic industries from competition

What's the answer

that doesn't help grrr

which of the following is a way to increase economic development? is the answer raising taxes, investing education, limiting trade, or lowering wages

which of the following are examples of trade barriers? select the three correct answers is it Advantages, Tariffs, Embargoes, Quotas, Comparatives

which of the following geographic features would most likely have a negative impact on the trade of a country

is it rivers, irregular coastline, plains, or mountains