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Grace [21]
3 years ago
12

Find the value of the variable. Then find the angle measures of the polygon. Use a protractor to check the reasonableness of you

r answer.

Mathematics
1 answer:
Elan Coil [88]3 years ago
5 0
If u look closet, I don’t know the answer
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HELP PLEASE I'M DESPERATE.
Lunna [17]
 75d+8w+25
75(5)+8(48)+25
375+384+25
400+384
784

Javier earns $784
7 0
3 years ago
Pablo bought a desktop computer and a laptop computer. Before finance charges, the laptop cost $250 more than the desktop. He pa
olga55 [171]
A = price of the desktop

b = price of the laptop

now, we know the laptop was more expensive than the desktop by 250 bucks, thus b = a + 250.

for "a", he paid 8.5% in interest, for "b", he paid 5% in interest.

how much is 8.5% of a?  well (8.5/100) * a, or 0.085a.

how much is 5% of b?  well, (5/100) * b, or 0.05b.

now, we know the total charges for financing were $296, that means the interest paid in total was 296, thus whatever "a" or "b" are, we know that  0.085a + 0.05b = 296.

\bf \begin{cases}
\boxed{b}=a+250\\
0.085a+0.05b=296\\
----------\\
0.085a+0.05\left( \boxed{a+250} \right)=296
\end{cases}
\\\\\\
0.085a+0.05a+12.5=296\implies 0.135a=283.5
\\\\\\
a=\cfrac{283.5}{0.135}\implies a=2100

how much did the laptop cost?  well, b = a + 250.
7 0
3 years ago
A certain fraction has a value of 15. the denominator is four more than three times the numerator. what is the fraction?
ra1l [238]
N/d = 15
d= 4 + 3n

d=n/15
n/15=4+3n
n=60+45n
44n=-60
n=-15/11
-15/11 / d = 15
-15/11 = 15d
d=-1/11

15/11 / 1/11. = 15
3 0
3 years ago
Find the midpoint of the line segment whose endpoints are (-2, 5) and (4, -9).Find the midpoint of the line segment whose endpoi
jek_recluse [69]

Answer:

The midpoint is (1,-2)

Step-by-step explanation:

we know that

The formula to calculate the midpoint between two points is equal to

M(\frac{x1+x2}{2},\frac{y1+y2}{2})

we have

(x1,y1)=(-2,5)

(x2,y2)=(4,-9)

substitute

M(\frac{-2+4}{2},\frac{5-9}{2})

M(1,-2)

8 0
3 years ago
The rectangle below has sides measuring 6cm and 5 cm. What is the area of this rectangle<br>​
sleet_krkn [62]

Answer:30 cm

Step-by-step explanation:

Area is found by two side lengths multiplied together, the two side lengths in the problem are 5cm and 6cm, 5 times 6 is 30, (plus add the measurement) which is 30 cm. :))

4 0
3 years ago
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