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zheka24 [161]
3 years ago
10

Solve the equations with variable on both sides: 8x=10x + 20 A. X= -10 B. X= -35 C. X= -23 D. X= -40

Mathematics
1 answer:
liberstina [14]3 years ago
7 0

The correct answer is A

A) 8(-10)=10(-10)+20 becomes -80 = -80

B) 8(-35)=10(-35)+20 becomes -280 \neq  -330

C) 8(-23)=10(-23)+20 becomes -184 \neq  -210

D) 8(-40)=10(-40)+20 becomes -320\neq   -380

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Someone help me with the steps please
Vesna [10]

Answer:

Let u=3x^2-3x

Solution: \frac{1}{6} \sqrt{3x^2-3x}+C

Step-by-step explanation:

See attached for step-by-step

8 0
3 years ago
Which is the area of a rectangle TYOC with vertices T(-6,6), Y(2,10), O(4,6), and C(-4,2)?
Ne4ueva [31]
A diagram helps.

Diagonal TO divides the rectangle into two triangles of base 10 and height 4. The area of the two of them together (the area of the rectangle) is 10*4 = 40.

The area of rectangle TYOC is 40 square units.

8 0
3 years ago
For which situations is it appropriate to use a sample? Select three options.
maw [93]

Answer:

B C D

Step-by-step explanation:

We use samples when using an entire population is not feasible.

It is not reasonable to ask every pick-up truck driver what they want their next purchase to be; there are too many owners of pick-up trucks.  This means we should use a sample.

Many people drive a highway that connects two large cities.  It is not reasonable to survey every person that drives it, so we should use a sample.

On a busy road, we may have many pedestrians; this means we should use a sample instead of the entire population.

XOXO

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brainly.com/question/17113732 <-- hopes this link helps ya ^w^

7 0
3 years ago
Find the value of p and the value of q
vlabodo [156]

Answer:

p = 5 and q = -3

Step-by-step explanation:

nth term = pn^2 + qn   where n is the sequence number.

first term = p + q = 2.....................(1)

2nd term = p(2)^2 + 2n = 14

4p + 2q = 14

2p + q = 7  .......................(2)

Subtract equations  (2) -(1) :-

p = 7 - 2 = 5

and q = 2 - 5 = -3

7 0
3 years ago
Haydin chooses a jersey at random and then replaces it. He then selects a second jersey at random. What is the probability that
Elena L [17]

<em>Question:</em>

<em>Haydin chooses a jersey at random and then replaces it. He then selects a second jersey at random. What is the probability that Haydin selects a striped jersey both times. 2 are striped,5 are colored and 3 are white.</em>

Answer:

Probability = 0.04

Step-by-step explanation:

Given

Striped = 2

Colored = 5

White = 3

Required

Determine the probability that both selections are stripped

This is calculated as:

Probability = P(Stripped) * P(Stripped)

Probability = \frac{n(Stripped)}{Total} * \frac{n(Stripped)}{Total}

Probability = \frac{2}{2 + 5 + 3}* \frac{2}{2 + 5 + 3}

Probability = \frac{2}{10}* \frac{2}{10}

Probability = \frac{4}{100}

Probability = 0.04

3 0
3 years ago
Read 2 more answers
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