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attashe74 [19]
3 years ago
14

If a = 2b + 1, then, in terms of b, what is the value of 4a - 5?

Mathematics
1 answer:
Ivenika [448]3 years ago
5 0
To solve this, plug 2b+1 in for a. :

4(2b+1)-5. Solve for b.

First use the distributive property:

8b+4-5=?

Combine like terms:

8b-1=?

Solve for b.

add 1 to both sides.

8b=1

Divide both sides by 8.

b=1/8

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what is 7 divided by 1/3 in multiplication is it A.1/3 multiplied by 7 =k B. 1/3 multiplied by k=7 or C. 1/3=k multiplied by 7.
NeX [460]

Answer:

B. 1/3 multiplied by k=7

Step-by-step explanation:

7 ÷ ⅓ = k

Multiply both sides by ⅓

7 ÷ ⅓ × ⅓ = k × ⅓

7 = k × ⅓

4 0
3 years ago
Evaluate (x + y)for x= -3 and y= 5.<br> A.-1/2<br> B.0<br> C.1<br> D.2
bazaltina [42]
It’s D
Proof:
(-3 + 5 = 2)
7 0
2 years ago
Read 2 more answers
Find the number, d, if the sum of five times d and five times five is a<br> hundred.
Gelneren [198K]

The value of d from the given expression is 15

<h3>Word problem leading to equation</h3>

From the given statement the sum of five times d and five times five is a

hundred is interpreted as;

5d + 5(5) = 100

5d + 25 = 100

Subtract 25 from both sides

5d = 100 - 25

5d = 75

d =15

Hence the value of d from the given expression is 15

Learn more on word problem here: brainly.com/question/13818690

#SPJ1

6 0
1 year ago
Nadia makes a monthly income of $4,000. How much will Nadia have for impulse shopping after she pays all of her bills for the mo
Llana [10]
You add all the percentages up and it will give you 64. take 64 and put it over 100 because percentages as a fraction will always be the amount over a 100.  
so its 64/100 multiply by 4000/1. 64*4000= 256000 over 100. 256000 divided by 100 = 2560

$2560
7 0
3 years ago
Please answer URGENT<br><br> area of shapes<br><br> THANKS !!!!!!!!!!!
Vinil7 [7]

Answer:

Hope 292.5 is right.

Step-by-step explanation:

First thing, multiply the triangles base and height which will give you 143 then divide it by two which is 71.5. Then to the parallelogram which is base times height which is 117. Moving on to the trapezoid, meanin one-hal times height times first base plus second base giving you 104. Finally, add'em up, giving you a total of 292.5.

4 0
3 years ago
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