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Makovka662 [10]
2 years ago
9

Alejandro has gone to school StartFraction 5 Over 7 EndFraction of the last 35 days. Which expression can be used to determine t

he number of days Alejandro has gone to school? 35 divided by 7 = StartFraction 5 Over 7 EndFraction 35 times StartFraction 5 Over 7 EndFraction StartFraction 5 Over 7 EndFraction divided by 35 StartFraction 7 Over 5 EndFraction divided by 35
Mathematics
2 answers:
TiliK225 [7]2 years ago
8 0

Answer:b

Step-by-step explanation:

I’m not freaking dumbbbb

Arte-miy333 [17]2 years ago
3 0

Answer:

Expression B

Step-by-step explanation:

<em>Let us find the information in the question</em>

  • Alejandro has gon to school \frac{5}{7} of the last 35 days
  • We need to find the expression that represents the number of days Alejandro has gone to school.

<em>We must write the given information in an expression then look for it in the choices.</em>

∵ He has gone \frac{5}{7} of 35 days

→ "of" means times (×)

∴ The days that he has gon = 35 × \frac{5}{7}

<em>The expression that can be used to determine the number of days he has gone to school is</em> 35 × \frac{5}{7}

The choices are:

A) \frac{35}{7}=\frac{5}{7}

B) 35 × \frac{5}{7}

C)  \frac{5}{7} ÷ 35

D) \frac{7}{5} ÷ 35

The answer is B

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Semmy [17]
The correct answer would be A.
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3 years ago
This question on math and needs to be written a proportion
guapka [62]

Answer:

g = 3

Step-by-step explanation:

miles / gallon = miles / gallon

104 / 4 = 78 / g

cross-multiply to solve for 'g':

78(4) = 104g

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3 = g

4 0
2 years ago
Read 2 more answers
Ken has a pole that is 26 inches long. He wishes to cut it into two pieces so that one piece will be 8 inches longer than the ot
Yuliya22 [10]

Answer:

9 inches

Step-by-step explanation:

Do the question algebraically, represented by this equation:

let x be the shorter piece

x + (x + 8) = 26                      (longer piece is 8 units longer)

Remove brackets

x + x + 8 = 26                 Combine like terms              

2x + 8 = 26                   Start isolating "x"

2x + 8 - 8 = 26 - 8           Subtract 8 from both sides

2x = 18

2x/2 = 18/2           Divide both sides by 2

x = 9                    shorter piece

The shorter piece would be 9 inches.

If you needed the longer piece too:

longer piece = x + 8

x + 8

= 9 + 8

= 17

The longer piece would be 17 inches.

Check your answer:

Longer + Shorter = 26           Substitute the lengths

17 + 9 = 26                    Add

26 = 26                same number

LS = RS                left side equals right side

The answer is correct.

3 0
3 years ago
Solve: 8x2 + 3x = -7
Agata [3.3K]

Answer: PEMDAS

8•2 = 16

16+3x = -7

-3 -3

16 + x = -10

-16 -16

X= -26

Step-by-step explanation:

3 0
3 years ago
If the exterior angle of a regular polygon is 7.2 degrees, what is the name of that polygon?
kirill [66]

A regular polygon with exterior angle of 7.2 degrees is a 50-gon.

<h3>Regular polygon</h3>

Regular polygon are polygon that are equiangular. This simply means they are polygon with equal angles.

The formula to find the number of sides of a polygon using exterior angle is as follows:

  • exterior angle = 360 / n

where

n = number of sides

Therefore,

7.2 = 360 / n

cross multiply

7.2n = 360

divide both sides by 7.2

n = 360 / 7.2

n = 50

The polygon has 50 sides. Therefore, it is a 50-gon

learn more on polygon here: brainly.com/question/12105506

8 0
2 years ago
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