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barxatty [35]
3 years ago
12

20 points worth, pleeease help

Mathematics
1 answer:
Bad White [126]3 years ago
8 0

Answer:

 x = -14

Step-by-step explanation:

Vertical angles are equal

so

9x + 184 = 7x + 156

2x = -28

 x = -14

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The perimeter of an isosceles triangle is 32 inches. If the base is longer than half of the two other equal sides by 2 inches, f
Leona [35]

Answer:

Step-by-step explanation:

Let equal sides of an isosceles triangle = a inches

Base = \frac{1}{2}a+2 inches

Perimeter  = 32 inches

a + a + \frac{1}{2}a+2 = 32

2a + \frac{1}{2}a+2 = 32\\\\\frac{2a*2}{1*2}+\frac{1}{2}a+2=32\\\\\frac{4a}{2}+\frac{1}{2}a+2=32\\\\\frac{5}{2}a+2 = 32\\\\

Subtract 2 from both sides

\frac{5}{2}a=32-2\\\\\frac{5}{2}a=30\\\\a=30*\frac{2}{5}\\\\a=6*2

a = 12 inches

base = \frac{1}{2}*12+2

        = 6 + 2

Base = 8 inches

6 0
3 years ago
Which expression and could you explain
docker41 [41]
I would say d. Hope that helps
4 0
4 years ago
Read 2 more answers
Will give crown to best answer 20 points!!!! pls answer!!
Andrej [43]
Hello!

Significant digits are defined as all digits that determine the value of a number, excluding any zeros that act as placeholders. Let's find the number of significant digits in each option individually:

A. 0.0009462 = 4 significant digits (the zeros are placeholders)
B. 1.000150 = 7 significant digits
C. 2.0145 = 5 significant digits
D. 3.01255 = 6 significant digits

Looking at the list above, we can see that Option B has the greatest number (7) of significant digits.

The answer is Option B.

I hope this helps!
3 0
3 years ago
Find x+y, if: 2x+3y=8 and 3x+5y=13
joja [24]
Answer is x = 1 & y = 2
the answer can be found using math-way
4 0
3 years ago
Please help me branniest
Goshia [24]

Answer:

the answer is C

Step-by-step explanation:


7 0
4 years ago
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