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3 years ago

I need help please!:D

Mathematics

2 answers:

notsponge [240]3 years ago

8 0

Answer:

176 R. 5

Step-by-step explanation:

vaieri [72.5K]3 years ago

5 0

Answer:

Step-by-step explanation:

176r5 first

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Plsss Help me plsssssssssssss

Mazyrski [523]

Answer:

If, a = 2 and b = 3

It's not equivalent.

<h3>Diego</h3><h3> $4a + 9b = 7a + 5b - 3a + 4b \\ 4(2) + 9(3) = 7(2) + 5(3) - 3(2) + 4(3) \\ 8 + 27 = 14 + 15 - 6 + 12 \\ 35 = 35 \\$ </h3>

It's equivalent.

The correct equation is 4a + 9b.

5 0

3 years ago

Simplify the expression (5x^2+13x-4)-(17x^2+7x-19)+(5x-7)(3x+1)

miv72 [106K]

5x²+13x-4-17x²-7x+19+15x²+5x-21x-7=
=5x²+15x²-17x² +(13x-7x+5x-21x) -4-7+19=
=3x²-10x+8

8 0

3 years ago

Read 2 more answers

The roof of a high rise is in the shape of an isosceles triangle with a base of 89 feet. The perimeter of the roof is 281 feet.

inysia [295]

Answer:

96 ft

Step-by-step explanation:

Perimeter= a (base)+b (side)+c (side)

281 = 89 +b + c

281 -89 = b + c

192 = b+ c ( however in an iscoceles triangle, 2 sides aree equal therefore b and c will be equal)

So: 192/2 = 96

4 0

3 years ago

Read 2 more answers

HELP ASAP WILL MARK BRAINLIEST!!!!!

Sati [7]

I believe it is 84. good luck.

8 0

3 years ago

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Rule start at 5 and 1/2 add 1 1/5

Margaret [11]

Answer:

The solution is $6\frac{7}{10}$ .

Step-by-step explanation:

It is given that rule start at $5\frac{1}{2}$ add $1\frac{1}{5}$ .

From the given information, we get the expression

$5\frac{1}{2}+1\frac{1}{5}$

Simplify the complex fraction.

$\frac{10+1}{2}+\frac{5+1}{5}$

$\frac{11}{2}+\frac{6}{5}$

Taking LCM, we get

$\frac{11\times 5+6\times 2}{2\times 5}$

$\frac{55+12}{10}$

$\frac{67}{10}$

$6\frac{7}{10}$

Therefore the he solution is $6\frac{7}{10}$ .

4 0

3 years ago