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natita [175]
3 years ago
7

12w - 4 - 9w + 4 = 24 step by step explanation

Mathematics
2 answers:
ANTONII [103]3 years ago
6 0

Answer:

8

Step-by-step explanation:

12w - 4 - 9w + 4 = 24

First get the 4's out of the way by canceling them out

12w - 9w= 24

Subtract like terms so 12w-9w=3w

3w=24

Divide each side by 3 to single out w and :

24/3=8

w=8

laiz [17]3 years ago
3 0

Answer:

11

Step-by-step explanation:

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What is 9+3/4x=7/8x-10 <br><br> Write in least common multiple of denominator.
Dafna11 [192]

LCM(4, 8) = 8

\dfrac{3}{4}=\dfrac{3\cdot2}{4\cdot2}=\dfrac{6}{8}

9+\dfrac{3}{4}x=\dfrac{7}{8}x-10\ \ \ \ |-9\\\\\dfrac{6}{8}x=\dfrac{7}{8}x-19\ \ \ \ |-\dfrac{7}{8}x\\\\-\dfrac{1}{8}x=-19\ \ \ \ |\cdot(-8)\\\\x=152

8 0
3 years ago
According to the Food and Drug Administration, the recommended daily intake of iron is 16 mg. This is 4 less than twice the reco
IgorC [24]

Answer:

20 mg

Step-by-step explanation:

x - 4 = 16

x = 20

7 0
3 years ago
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What does 5/8 + 4/5 equal as a fraction
Tpy6a [65]

Answer:

1 17/40

Step-by-step explanation:

5/8+4/5

We need to get a common denominator of 40

5/6 * 5/5 = 25/40

4/5*8/8 =32/40

25/40 + 32/40 = 57/40

57/40 = 40/40 + 17/40 = 1 17/40

7 0
3 years ago
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The price p of a gallon of gas goes up to $0.05 cents on Friday. On Saturday the price goes down $0.03. Write a expression with
m_a_m_a [10]

Answer:

The expression with three terms to show the price of a gallon of gas on Saturday is ⇒ p+0.05-0.03

Step-by-step explanation:

Given:

Price of a gallon of gas in dollars = p

On Friday, the price goes up by = $0.05

On Saturday, the price goes down by = $0.03

To write an expression with three terms to show the price of a gallon of gas on Saturday.

Solution:

Initial price of a gallon given in dollars was = p

On Friday the price increased by $0.05.

So, the price on Friday in dollars can be given as = p+0.05

On Saturday, the price decreased by $0.03

So, the price on Saturday in dollars can be given as = p+0.05-0.03

Thus, the expression with three terms to show the price of a gallon of gas on Saturday is ⇒ p+0.05-0.03

4 0
3 years ago
Jim had 92 more marbles than Sam. After Sam gave Jim 18 marbles, Jim had twice as many marbles as Sam. How many marbles did Jim
Ede4ka [16]

Answer:

238

Step-by-step explanation:

let the number of marbles Sam has be x, then

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After swap of 18 marbles

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Jim now has twice as many as Sam, that is

x + 110 = 2(x - 18)

x + 110 = 2x - 36 ( subtract x from both sides )

110 = x - 36 ( add 36 to both sides )

146 = x

At first Jim had 146 + 92 = 238 marbles

7 0
4 years ago
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