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Artyom0805 [142]
3 years ago
12

What is the equivalent of 5a + b?

Mathematics
1 answer:
enyata [817]3 years ago
6 0
If a = –1 and b = 1, evaluate 5a – b

When you make those substitutions
the expression becomes:
.
5(-1) - (+1) and the answer to this problem is -6.
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Trisha needs 4.5 yards of fabric to do a project. If she already has 2/3 of a yard of fabric, what is the minimum amount of fabr
DochEvi [55]
1 yard = 3 feet
2/3 of a yard would be 2 feet

4.5 yards = 13.5 feet
13.5-2 = 11.5 feet

11.5 feet = 3.83 yards

therefore at least 11.5 feet or 3.83 yards must be purchased

8 0
3 years ago
Mr. quick bought new computer system. The regular price was 1,580 , but he got a 15% discount. How much did he actually pay?
N76 [4]

Answer:

$1343

Step-by-step explanation:

The equation would be

x= 1580 (1-0.15)

x represents how much he actually pays.

1-0.15=0.85.

1580×0.85=1343

8 0
3 years ago
A retail store offers all television sets at 80%, or , of their original price if the customer buys a store membership for $100.
Vinil7 [7]

Answer:

+-+

Step-by-step explanation:

C. 1,300

I cant see the expression but i got 1,100 by finding out what 80% of 1500 is by multiplying 1500 by 0.8 to get 1,200. Then add the 100 that you have to pay for the membership +to get a total of $1,300. hop dat dis iz help fuuull

5 0
3 years ago
Please answer!!!! please!!!!!!
olga55 [171]

The problem here is:  Too many words.

If you boil the problem down to the bare facts, the question is:

             "$210 is 15% of what number ?"

I'm pretty sure you can take it from there,
but here's the rest of it anyway:

                                                $210  =  15% of (March amount)

                                                $210  =  0.15 x (March amount)

Divide each side by  0.15 :     $1400 = March amount .

Check:
1400 + 210 =  1610
1.15 x 1400 = 1610                                      yay!
5 0
3 years ago
Find f(x) and g(x) so that the function can be described as y = f(g(x)). y = eight divided by square root of quantity two x plus
MaRussiya [10]
\bf y=f[\ g(x)\ ]=\cfrac{8}{\sqrt{2x+4}}\\\\
-------------------------------\\\\
\begin{cases}
f(x)=\cfrac{8}{\sqrt{x}}\\\\
g(x)=2x+4
\end{cases}\qquad f[\ \underline{g(x)}\ ]=\cfrac{8}{\sqrt{\underline{g(x)}}}\implies f[\ \underline{g(x)}\ ]=\cfrac{8}{\sqrt{\underline{2x+4}}}
3 0
4 years ago
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