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Sergio039 [100]
3 years ago
13

The difference of three times a number and five is four. Find the number

Mathematics
1 answer:
givi [52]3 years ago
4 0

The difference of three times a number and five is four. Then the number is 3

<u>Solution:</u>

Given that,

Difference of three times a number and five is four

We have to find the number

Let us frame a equation using the given information and solve the sum

Let the number be "n"

Difference of three times a number and five = 4

Three times n - 5 = 4

3n - 5 = 4

3n = 9

On dividing 9 by 3 we get 3

n = 3

Thus the required number is 3

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Which three expressions are equivalent to 10x +11
BARSIC [14]

Answer:

B, C, and E

Step-by-step explanation:

<u>Simplify all answer choices:</u>

A.

5(2x+10)+1=

10x+50+1=

10x+51

B.

7(x+2)+3x-3=

7x+14+3x-3=

10x+11

C.

3(3x+4)+x-1=

9x+12+x-1=

10x+11

D.

2(6x+4)+2x+5=

12x+8+2x+5=

14x+13

E.

2(6x+5)-2x+1=

12x+10-2x+1=

10x+11

Answer choices B, C, and E simplify to 10x+11

8 0
3 years ago
Solve for p...<br> -5(p + 3/5) = -4
Alla [95]

Step-by-step explanation:

-5(p + 3/5 ) = -4

-5p - 3/5 *5 = -4

-5p - 3 = - 4

-5p = -4 +3

-5p = -1

therefore p = 1/ 5

7 0
4 years ago
Ben baked brownies in the brownie pan shown below. Each day, he is going to eat 303030 square centimeters of brownie from the pa
luda_lava [24]

Answer:

Option A. 30\ days

Step-by-step explanation:

step 1

Find the area of the brownie pan

The area of the trapezoid is equal to

A=\frac{1}{2}(30+42)(25)=900\ cm^{2}

step 2

To calculate the number of days, divide the total area of the brownie pan by 30 square centimeters of brownie

so

900/30=30\ days

4 0
3 years ago
Read 2 more answers
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AfilCa [17]

Answer:

y≤−6. Everthing more or equal to -6 should be shaded. So like fro-6 to -10

Step-by-step explanation:

Multiply each term in 12y≤−3 by 2 to eliminate the fractions.

8 0
3 years ago
Krystal needs at least $130 to go on a trip. Her father has given her $45. Which equality could be used to determine e, the rema
lina2011 [118]

The Least amount of money we need is 130

She already has 45

She needs "e" more

Therefore:

45 + e ≥ 130

4 0
4 years ago
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