1 year ago

Which of these choices show a pair of equivalent expressions?

Mathematics

1 answer:

hoa [83]1 year ago

7 0

Answer:

C AND D

Step-by-step explanation:

AP EX Confirmed

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A bag holds 1 blue block and 3 yellow blocks. How many green blocks should be added to the bag to make the probability of random

Drupady [299]

$n$ - the number of green blocks which is equal to the number of favourable events
$1+3+n=4n$ - the number of all blocks, which is equal to the number of all possible outcomes

$P(A)=\dfrac{n}{4+n}=\dfrac{1}{2}\\
1\cdot( 4+n)=2\cdot n\\
4+n=2n\\
2n-n=4\\
n=4
$

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2 years ago

Read 2 more answers

The local fish market sells both salmon and tuna for $5.35 per pound. If you buy 3.4 pounds of tuna and 2.7 pounds of salmon, wh

boyakko [2]

3.4 + 2.7 = 6.1
6.1(5.35) = 32.635
So, you would be charged $32.64 or letter C :)

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2 years ago

What type of triangle is formed by joining the points D(7, 3), E(8, 1), and

KiRa [710]

D(7, 3), E(8, 1), and F(4, -1)

We calculate the squared distances between the points:

$DE^2 = 1^2 + 2^2 = 5$

$EF^2=4^2+2^2=20$

$DF^2=3^2+4^2=25$

Since $DF^2=DE^2+EF^2$ we have a right triangle with hypotenuse DF.

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2 years ago

You and your sister each want to sit in the front seat of your mom’s car. For each of the following, decide if the

olya-2409 [2.1K]

The correct answer is A. You flip a two-sided coin.

the fairest answer would be A. you flip a two-sided coin. a randomly generated number would not be fair, and your mom choosing would also not be fair, therefore the answer is You flip a two-sided coin.

good luck :)

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2 years ago

The school play is selling tickets where tickets for children are $3.50 each and tickets for

Vera_Pavlovna [14]

Answer:

System of equations:

3.5c + 5a = 377

c + a = 85

Solved:

(53, 32)

Step-by-step explanation:

32 children's tickets were sold and 53 adults tickets were sold.

8 0

2 years ago