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Tems11 [23]
4 years ago
5

Please explain how to solve this word problem

Mathematics
1 answer:
Mariana [72]4 years ago
8 0

3*16-2*4=48-8=40 Try this, its my only guess :(

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What is the measurement of each angle​
user100 [1]

Answer:

7(14)-11=87\\\\5(14)-2=68\\\\2(14)-3=25

Step-by-step explanation:

First we need to set up an equation in order to find the value of x. We know that the sum of these angles are 180°

7x-11+5x-2+2x-3=180\\\\14x-16=180\\\\14x=196\\\\x=14

Now we can plug in our value for x into each of the angle's equations

7(14)-11=87\\\\5(14)-2=68\\\\2(14)-3=25

8 0
4 years ago
Rewrite 2x^2+13x+26/x+4 in the form q(x)+r(x)/b(x) . Then find q(x) and r(x).
natulia [17]
We are dividing the polynomial 2x^{2} +13x+26 by x+4

notice that 2x^{2} is x times 2x,

so if we multiply (x+4) by 2x, which gives us 2 x^{2} +8x, we can 'separate' one 2 x^{2} +8x from 2x^{2} +13x+26  to get the following simplification:

\frac{2x^{2} +13x+26}{x+4}= \frac{ 2x^{2}+8 x}{x+4} + \frac{5x+26}{x+4}=2x+ \frac{5x+26}{x+4}

similarly we notice that 5x is x times 5, so if we multiply (x+4) by 5, we get 5x+20 so we can rewrite 

\frac{5x+26}{x+4}= \frac{5x+20}{x+4}+  \frac{6}{x+4}=5+\frac{6}{x+4}

\frac{6}{x+4} can not be simplified any further since the degree of 6, is smaller than the degree of x+4

combining our work, we have:

\frac{2x^{2} +13x+26}{x+4}=2x+5+\frac{6}{x+4}

Answer:

q(x)= 2x+5
r(x)=6
b(x)=x+4


Remark: we can solve the problem by long division or the division algorithm as well.
6 0
4 years ago
Read 2 more answers
What is the volume of a sphere with diameter of 4 millimeters
marin [14]
The volume is 33.5mm^3 (or cubed)

Formula : v = 4/3πr^3 or v = 4 x 3.14 x (r x r x r) <span>÷ 3
</span>
~ 2 x 2 x 2 = 8  (we use 2 because the radius is half of the diameter)

v = 4 x 3.14 x 8 <span>÷ 3     a. Multiply everything together
v = 100.48 </span><span>÷ 3             b. Divide by 3</span><span>
v = 33.493                   c. Round (if needed)
</span>v = 33.5


      

4 0
3 years ago
Worth 11 points please help me
saw5 [17]

multiply the x and y coordinates in P and Tand equate it the right hand side x and y coordinates respectively.

3 0
3 years ago
More points for my easy questions (fair deal)
Grace [21]

Answer:

D

Step-by-step explanation:

The thing that is being cubed here is the sum of x and 4, not x or 4 individually. After you have taken care of what is in parentheses, you add 3x, which gives the sum of x+4 cubed and 3x. Hope this helps!

5 0
3 years ago
Read 2 more answers
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