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dimaraw [331]
3 years ago
5

Your sister is 14 yrs old. Your brother is 10 yrs less than twice your sisters age. Your cousin is half ur brothers age. Write a

nd evaluate an expression to find your cousins age.
Mathematics
2 answers:
djverab [1.8K]3 years ago
8 0
(14 x 2) - 10) { divided sign} 2= 9
IRISSAK [1]3 years ago
7 0

Hello!

Let's write this as an equation below.

c= 1/2(2(14)-10)

Let's solve below.

c= 1/2(28-10)

c=1/2(18)

c=9

Therefore, your cousin is 9 years old.

I hope this helps!

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What happens to the graph of y = |x| when the equation changes to y |x-9|?
zhenek [66]
Answer: The graph will move 9 spaces to the right.
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If y varies inversely as x and y 27 when x 40 find y when x 10
Iteru [2.4K]
When y varies inversely as x ⇒ y*x=k

y=27 and x=40 ⇒27*40=1080=k

y*10=1080
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y=108
3 0
3 years ago
Can someone please explain how I do this. My teacher is kinda useless.
givi [52]
<span>when the altitude is </span>drawn from the vertex of the right angle<span> of a right triangle to its hypotenuse, the altitude equals the product</span> of the two segments of the hypotenuse<span>.
(w+9)</span>²=8*18=144
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w=3 (discard the negative number)

use the same method, z=√(9*11)=3√11

next, you can use the Pythagorean theorem to find x and y.
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6 0
3 years ago
Read 2 more answers
Write the square root of z^3z^4 as an algebraic expression using a rational exponent
love history [14]

Answer:

z^{7/2}

Step-by-step explanation:

sqrt[(z^3)(z^4)] = \sqrt{z^7} = z^{7/2}

4 0
3 years ago
Segment AB has length "a" and is divided by points P and Q into AP, PQ, and QB, such that AP = 2PQ = 2QB.
maw [93]

Answer:

a) 7a/8; b) 5a/8  

Step-by-step explanation:

Given:

AP = 2PQ = 2QB

Calculations:

1. A to the midpoint of QB

        a = AP + PQ + QB

If 2PQ = 2QB.

    PQ = QB and

    AP = 2PQ

∴      a = 2PQ + 2PQ = 4PQ

    PQ = a/4

    AP = 2PQ = a/2

Let M be the midpoint of QB.

AM = AP + PQ + QM

     = a/2 + a/4 + a/8

     = 7a/8

2. Midpoints of AP and QB

Let N be the midpoint of AP

NM = NP + PQ + QM

      = a/4 +a/4 + a/8 =

      = 5a/8

 

5 0
3 years ago
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