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Solnce55 [7]
3 years ago
10

Solve the system below. y= -3/4x-4 2y-2=x

Mathematics
1 answer:
Dimas [21]3 years ago
8 0
Hope this helps you with what you are looking for

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10v2 + 50
Svetach [21]

Answer:

what is the question? probably describe the polynomial. okay. the polynomial 10v^2 + 50 is a quadratic (it is to the 2nd power) and a binomial (has 2 terms).

7 0
3 years ago
Which is equivalent to - (2x - 5y ) ?
WITCHER [35]

Answer:

-2x+5y should be the answer

hope that helps

8 0
3 years ago
What are the values of a and b?
ivann1987 [24]

Answer:

<h2>a = 400/21, b = 580/21</h2>

Step-by-step explanation:

Small triangles are similar. Therefore, the sides are proportional

\dfrac{a}{20}=\dfrac{20}{21}               <em>cross multiply</em>

21a=(20)(20)       <em>divide both sides by 21</em>

a=\dfrac{400}{21}

For b, we can use the Pythagorean theorem:

b^2=\left(\dfrac{400}{21}\right)^2+20^2\\\\b^2=\dfrac{160000}{441}+400\\\\b^2=\dfrac{160000}{441}+\dfrac{176400}{441}\\\\b^2=\dfrac{336400}{441}\to b=\sqrt{\dfrac{336400}{441}}\\\\b=\dfrac{\sqrt{336400}}{\sqrt{441}}\\\\b=\dfrac{580}{21}

3 0
3 years ago
Use the table to answer the question.
Over [174]

Answer:

in the survey, 16 out of 80 students who where asked favored chicken nuggets.

so we need to calculate like this:

530 * 16/80

=530 * 1/5

=530/5

=106

hope this helps your understanding, wish you good grades

3 0
3 years ago
Joey has 3 pairs of pants, 5 shirts and 2 ties. How many different outfits can Joey make
never [62]

Answer:

30

Step-by-step explanation:

3 times 5 times 2 =30

7 0
3 years ago
Read 2 more answers
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