A teacher is evaluating the typing speeds of students in the class. Carl types 108 words in 2 minutes. Max types 260 words in 5 minutes. Jason types 177 words in 3 minutes. Calculate the unit rate of words per minute for each student. Then, order the names of the students from slowest to fastest based on their typing speeds?

Answers

Answer 1

Answer: Carl: 108/2=54 wpm
Max: 260/5=52 wpm
Jason: 177/3=59 wpm
Jason is the fastest, then Carl, then Max.
Or
Max is the slowest, then Carl, then Jason.

Answer 2

Answer: Carl: 108÷2=54 words per min.
Max: 260÷5=52 words per min.
Jason: 177÷3=59 words per min.
First: Max 52, Second: Carl 54, Third: Jason 59.

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What is the gcf of 20 and 45x

Answers

its 5 hope this helps you :)

Help please.
(There are two questions)

Answers

Answer:

1. 2x4=8

2x3=6

2. 3x4=12

3x3=9

Step-by-step explanation:

Hello :)

In this problem, you have to create an equation to figure out the length of each bar. The first bar has two sets of 3 blocks; you can see each set by a color change.

Therefore, this equation would be 2 times 3, since there are 2 sets of 3. This answer equates to 6.

The next one has two bars of four blocks. This means it is 2 times 4, because there are two sets of 4 blocks, and this would constitute as the answer 8.

The second question is a bit tricker. If we look at the first bar, we see that there are 3 blocks per set (noted by color change) and we have 3 of those. If we count all of those up, they have 9 blocks overall. After all, 3 times 3 is nine.

The other problem has 4 blocks a set, and there are three of those. 4 times 3 is 12.

Please Please Please Help in Questions 24 and 25!!!!! PLEASE!!!!

Answers

a, b and c are the zeros of a polynomial: w(x) = (x - a)(x - b)(x - c).

$24.\nw(x)=(x-6)[x-(-5-2i)][x-(-5+2i)]\n\nw(x)=(x-6)(x+5+2i)(x+5-2i)\n\nw(x)=(x-6)[(x+5)+2i][(x+5)-2i]\n\n\text{use}\ a^2-b^2=(a-b)(a+b)\n\nw(x)=(x-6)[(x+5)^2-(2i)^2]\n\n\text{use}\ (a+b)^2=a^2+2ab+b^2\ \text{and}\ (ab)^n=a^nb^n\n\nw(x)=(x-6)(x^2+2(x)(5)+5^2-2^2i^2)\n\nw(x)=(x-6)(x^2+10x+25-4(-1))\n\nw(x)=(x-6)(x^2+10x+25+4)$

$w(x)=(x-6)(x^2+10x+29)\n\n\text{use distributive property}\ a(b+c)=ab+ac\n\nw(x)=(x)(x^2)+(x)(10x)+(x)(29)+(-6)(x^2)+(-6)(10x)+(-6)(29)\n\nw(x)=x^3+10x^2+29x-6x^2-60x-174\n\n\text{combine like terms}\n\nw(x)=x^3+(10x^2-6x^2)+(29x-60x)-174\n\n\boxed{w(x)=x^3+4x^2-31x-174}$

$25.\nw(x)=(x-i)(x-(-i))(x-6i)(x-(-6i))\n\nw(x)=(x-i)(x+i)(x-6i)(x+6i)\n\n\text{use}\ a^2-b^2=(a-b)(a+b)\n\nw(x)=(x^2-i^2)(x^2-(6i)^2)\n\n\text{use}\ (ab)^n=a^nb^n\ \text{and}\ i^2=-1\n\nw(x)=(x^2-(-1))(x^2-6^2i^2)\n\nw(x)=(x^2+1)(x^2-36(-1))\n\nw(x)=(x^2+1)(x^2+36)\n\n\text{use distributive property}\ a(b+c)=ab+ac\n\nw(x)=(x^2)(x^2)+(x^2)(36)+(1)(x^2)+(1)(36)\n\nw(x)=x^4+36x^2+x^2+36\n\n\boxed{w(x)=x^4+37x^2+36}$

True or false? All quadrilateral are four sided figures

Answers

Answer:

True

Step-by-step explanation:

Quad means four

Hence

Every quadrilateral is a four sides figure

the answer is 'true'.....all quadrilaterals are four sided figures. Infact four sided polygons or four sided figures are called quadrilaterls

425 is decreased to 319

Answers

425 is decreased to 319.

"Decreased to" and "decreased by" have different meaning.
"decreased to" means that the number given after the phrase is the difference in the subtraction.
"decreased by" means that the number given after the phrase is the number deducted from the other number to get the difference.

319 is the difference. We need to get the number to be deducted from 425.

425 - x = 319
425 - 319 = x
106 = x

to check:
425 - 106 = 319
319 = 319

If X = 5 inches, Y = 4 inches, and Z = 5 inches, what is the surface area of the box? A. 65 inches2 B. 130 inches2 C. 90 inches2 D. 45 inches2

Answers

Answer:

You need to be more precise, I guessing XYZ is a right triangle of a Square box, so (5*4*5)/2 = 50. If there is a "none of the above" choice, thats the answer

Step-by-step explanation:

I completely agree with the person above!

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