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cestrela7 [59]
3 years ago
10

−12(7z+4)+15(5z−15) =

Mathematics
2 answers:
Inga [223]3 years ago
8 0

Answer:

-9z-273

Step-by-step explanation:

ExtremeBDS [4]3 years ago
5 0

Answer:

-3(3z+91)

Step-by-step explanation:

Hope this helps :)

−12(7z+4)+15(5z−15)

= -3(4(7z+4)-5(5z-15)

= -3(28z+16-25z+75)

= -3(3z+91)

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Quadrilateral WXYZ is a rhombus. What is the measure of < XWZ?
den301095 [7]

Answer:

<XWZ=52°

Step-by-step explanation:

By alternate angle property, < XZY=<WXZ=64°

The base angles of an isosceles triangle are also equal therefore

<WXZ=<WZX=64°

The sum of angles in a triangle is 180°

< XWZ+<WXZ+<WZX=180°

<XWZ+64+64=180°

<XWZ=180°-64-64

This simplifies to

<XWZ=52°

3 0
4 years ago
How do u describe the transformation needed from to get from figure A to B
andriy [413]
You have to be more specific to I can help
3 0
3 years ago
What value of x is in the solution set of 3(x-4) &gt; 5x +2<br><br>-10<br>-5<br>5<br>10<br>​
ArbitrLikvidat [17]

Answer:

-10

Step-by-step explanation:

6 0
3 years ago
The amount of profit, p, you earn by selling knives,k, can be determined by:p=200k-500. A) determine the constraints on profit a
Marizza181 [45]
The only restraints on profit result from the restriction on the domain which in turn place a restriction on profit.  

0≤k. Knives sold cannot be negative.

So the range of profit or p is:

p=[-500, +oo)

Profit increases as the number of knives sold increases.  $200 more profit is gained by each sale of a knife.

4000=200k-500

4500=200k

k=22.5

Since k is for knives sold, it must be an integer value, so a $4000 profit is not possible.  At 22, p=3900 and at 23, p=4100


3 0
4 years ago
What are all these . Please help I will mark Brainly
disa [49]

Answer:

for a the answer is 5 for b also 5 (the solution is also the same but the = sign will be >) and for c is true

Step-by-step explanation:

for a so its 2x=10 you divide it like this

<h3><u>2x</u>=<u>10</u></h3><h3>2    2 so the answer will be</h3><h3>x=5 so you mark 5</h3>
3 0
3 years ago
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