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3 years ago

What is 2x + 2y equal?

Mathematics

1 answer:

alekssr [168]3 years ago

6 0

If you're trying to factor it, the answer would be >> 2<span>(<span>x+y</span><span>)

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Wendy has taken two tests with scores of 77 and 80. To get an 82

tiny-mole [99]

Answer:

Step-by-step explanation:

Given that Wendy took 2 tests and scored, 77 and 80 respectively, let x represent the grade of Wendy's third test.

To get an average grade of 82, let's generate an equation to find x (Wendy's grade on her third test).

Average grade = sum of all 3 grades all over 3

$82 = \frac{77 + 80 + x}{3}$

$82 = \frac{157 + x}{3}$

Multiply 3 by both sides

$82*3 = \frac{157 + x}{3}*3$

$246 = 157 + x$

Subtract 157 from each side of the equation

$246 - 157 = 157 + x - 157$

$89 = x$

Wendy must score 89 on her third test to have an average of 82.

3 0

3 years ago

Finn and Ellie sell oranges at a produce stand. Finn earns $5 for each crate of oranges he sells. At the end of the week, Ellie

KatRina [158]

The second term in the expression represents a. Finn's earnings at the end of the week.

To answer the question, we need to know what mathematical expressions are.

<h3>What are mathematical expression?</h3>

Mathematical expressions are expressions that show the relationship between two variables.

<h3>Finn's earnings</h3>

Now, let z be the number of crates Finn sold.

Since Finn earns $5 per crate, the total amount he earns at the end of the week is t = amount per crate × number of crates

= 5 × z

= 5z

<h3>Ellie's earnings</h3>

Now since Ellie earns $20 more than Finn, the amount Ellie earns is

T = 20 + t

= 20 + 5z.

So, 5z the second term in the expression represents Finn's earnings at the end of the week.

So, the second term in the expression represents a. Finn's earnings at the end of the week.

Learn more about mathematical expressions here:

brainly.com/question/11258067

#SPJ1

3 0

2 years ago

Why might you want to round to the nearest hundred rather than the nesrest ten

Ipatiy [6.2K]

I would want to round to the nearest hundred place rather than the nearest tens place because if you round to the nearest hundred place then your answer would be closer to the original answer.

6 0

3 years ago

The trajectory of a flying saucer is given by the vector function r(t) = (5 sin(t))i + (5 cos(t))j + 12tk for t ≥ 0 where coordi

Kipish [7]

Answer:

t0 = 2

Step-by-step explanation:

r' = <5cost,-5sint,12>

ds = $\sqrt{25cos^{2}t+25sin^{2}t+12^2} = \sqrt{25+144} = 13$ dt

So, we want

$\int\limits^x_0 {13} \, dt = 26$

8 0

3 years ago

Simplify the expression. 4(-8x + 5) – (-33x – 26)

Cerrena [4.2K]

<span>4*((‑(8*x))+5)-(‑(33*x))-26

sorry if this is to hard to understand
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7 0

3 years ago

Read 2 more answers