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lesya692 [45]
3 years ago
15

Help please, i really need help with this too, I need it by tomorrow.

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
8 0

Answer:

8

Step-by-step explanation:

DCB and ABC are right angles

DCB = 90 = 7x + 34

If 7x + 34 = 90, then 7x = 56 and x = 8

Hope this helps :)

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Evaluate the expression [(12x2.4) -(8.4*0.6)] +27-5.1
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3 years ago
A. 140°<br><br> B. 300°<br><br> C. 220°<br><br> D. 180°<br><br> E. 320°
kvasek [131]

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140

Step-by-step explanation:

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3 years ago
Problem of the Week (POW) for May 1 - May 8
kipiarov [429]

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Becky saves $4.86 by choosing to buy 18 bulbs in the 3 package sets  

Step-by-step explanation:

Becky has 2 options here. She can buy 3 for $4.20 or 2 for $3.34. We can easily determine the prices because both 2 & 3 are factors of 18.

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4 0
3 years ago
I need help I can’t figure it out
dusya [7]

Answer:

\large\boxed{\dfrac{41p}{70q^4(r-9)^2}}

Step-by-step explanation:

\dfrac{2p^4}{5q^5(r-9)^3}\cdot\dfrac{41q(r-9)}{28p^3}\\\\=\dfrac{2\!\!\!\!\diagup^1\cdot41}{5\cdot28\!\!\!\!\!\diagup_{14}}\cdot\dfrac{q\!\!\!\!\diagup}{q^{5\!\!\!\!\diagup^4}}\cdot\dfrac{(r\!\!\!\!\!\!{--}-9)\!\!\!\!\!\!{--}}{(r-9)^{3\!\!\!\!\diagup^2}}\cdot\dfrac{p^{4\!\!\!\!\diagup}}{p^3\!\!\!\!\!\!\diagup}\\\\=\dfrac{41}{70}\cdot\dfrac{1}{q^4}\cdot\dfrac{1}{(r-9)^2}\cdot\dfrac{p}{1}\\\\=\dfrac{41p}{70q^4(r-9)^2}

7 0
3 years ago
Evaluate the expression when a= - 7 and y= 2 a-2y
kirill115 [55]

Answer:

j=7

Step-by-step explanation:

7 0
3 years ago
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