James Charlson

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

Questions

The following questions were asked by visitors named James Charlson.

Bekah needs to take a blood sample from a patient but doesn’t have her normal tools. What could she use in place of a tourniquet on the patient’s upper arm? (1 point) Responses a knife a knife a small glass cup a small glass cup a belt a belt a paper towe...

While cleaning out his fish tanks, Alphonse sees that the goldfish in the slightly warmer tank by the window are larger than the goldfish in the cooler tank against the wall. If he wanted to design an experiment about his observation using the scientific...

Answers

The following answers were posted by visitors named James Charlson.

As Isla prepares to set off fireworks, she wants to ensure the spectators are a safe distance away. When shot in the air, one firework will follow the path h(x)=−x2+15x , where h(x) is the height of the firework, and x is the horizontal distance it travel...

Hyung-eun is solving the quadratic equation x2−4x−12=0 by grouping. Her work is shown below. At which step does Hyung-eun first make an error? x2−4x−12=0 Step1: x2+(−6x)+2x−12=0 Step 2: (x2+(−6x))+(2x−12)=0 Step 3: x(x+(−6))+2(x−6)=0 x(x−6)+2(x−6)=0 Step...

Question Which of the following quadratic equations can be solved by grouping?(1 point) Responses x2−4x−8=0 x squared minus 4 x minus 8 equals 0 x2+10x+21=0 x squared plus 10 x plus 21 equals 0 x2+8x−22=0 x squared plus 8 x minus 22 equals 0 x2−12x+18=0

Which of the following equations has exactly the same solutions as (x−7)(x+9)=0 ?(1 point) Responses x2=−2x+63 x squared equals negative 2 x plus 63 x2−2x−63=0 x squared minus 2 x minus 63 equals 0 x2=2x−63 x squared equals 2 x minus 63 x2+2x=−63

What should be the value of b in x2+bx−55=0 so that its solutions are −11 and 5? (1 point) Responses −6 negative 6 −16 negative 16 6 6 16

Solve the following quadratic equation using the perfect square trinomial pattern: x2−16x+64=0 .(1 point) Responses x=64 x equals 64 x=−8 x equals negative 8 x=−64 x equals negative 64 x=8

Gabriel was asked to solve x2−36=0 by factoring using the difference of squares pattern. What is/are the correct solution(s)?(1 point) Responses x=−6 x equals negative 6 x=18 , x=−18 x equals 18 , x equals negative 18 x=6 , x=−6 x equals 6 , x equals nega...

Florian’s biology teacher explained to the class that there were some organisms in the soil behind the school that could make them sick. During the class’s time to work in the garden, they had to wear gloves. What type of organisms were MOST LIKELY living...

Gary recently went to the doctor and had a blood sample taken. At the lab, the medical worker saw some antibodies in Gary’s blood. What does this tell the medical worker? (1 point) Responses Gary needs to consume less cholesterol. Gary needs to consume le...

Bryce predicts that when examining the skin of dogs without fleas, he won’t see any red bite marks. And when examining the skin of dogs with fleas, he will find red bite marks. How might Bryce BEST test his prediction? (1 point) Responses He might ask 20...

Aya is designing an experiment using the scientific method to answer the question, “Does eating a higher protein diet make mice stronger?” What hypothesis might Aya have? (1 point) Responses Eating a higher protein diet makes mice stronger. Eating a highe...

Portia is creating a scientific experiment for her biology class. She is using the scientific method to plan out the steps of the experiment. What is Portia MOST LIKELY trying to accomplish through her experiment? (1 point) Responses to discover an answer...

Portia is creating a scientific experiment for her biology class. She is using the scientific method to plan out the steps of the experiment. What is Portia MOST LIKELY trying to accomplish through her experiment? (1 point) Responses to discover an answer...