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S_A_V [24]
2 years ago
5

5/8+7/8 in simplest form

Mathematics
2 answers:
mote1985 [20]2 years ago
6 0

Step-by-step explanation:

\dfrac{5}{8}+\dfrac{7}{8}=\dfrac{5+7}{8}=\dfrac{12}{8}=\dfrac{12:4}{8:4}=\dfrac{3}{2}=\dfrac{2+1}{2}=\dfrac{2}{2}+\dfrac{1}{2}=1\dfrac{1}{2}

kkurt [141]2 years ago
5 0

Answer:

 1\frac{1}{2}

Step-by-step explanation:

5/8+7/8

--> 12/8

simplify :

--> 3/2

--> 1\frac{1}{2} or 1.5

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Priyanti ate 150 raisins in five days. If she ate 7 more raisins each day than she did the previous day, how many raisins did sh
marta [7]

Answer:

this means she ate an average of 30 raisins each day

so she ate 30 on the third day

so the amount she ate each day is like this

1. 16

2. 23

3. 30

4. 37

5. 44

16 + 23 +30 +37 +44=150

8 0
3 years ago
Read 2 more answers
The total cost to go horseback riding is x dollars per hour plus a $3 fee for renting a helmet. Write an expression to represent
solniwko [45]

The answer is 15x + 15

Each person needs to pay x dollars per hour, and also 3 dollars for a helmet

Let us convert this into a pseudo-expression:

1 person = (x dollars) x (y hours) + 3 dollars

Now, it says that there are 5 people, so we need to multiply both sides by 5

5 people = 5 x (x dollars) x (yhours) + 3 x 5 dollars

Furthermore, it says that each person wants to go horseback riding for 3 hours:

5 people = 5(x dollars) x (3 hours) + 15 dollars

Now, we just need to convert this into an expression

5 people = 5(x)(3) + 15

5 people = 15x+15

They want the expression for cost, so we just need to give them

15x + 15

5 0
3 years ago
Could someone help me please?
fenix001 [56]

Answer:

a. 7.2

b. 6

Step-by-step explanation:

Since the side lengths of similar polygons are proportional to each other, therefore:

\frac{b}{10} = \frac{9}{15} = \frac{a}{12}

Thus, let's find b using:

\frac{b}{10} = \frac{9}{15}

Cross multiply

b*15 = 10*9

15b = 90

Divide both sides by 15

b = 6

Let's find a using:

\frac{9}{15} = \frac{a}{12}

Cross multiply

9*12 = 15*a

108 = 15a

Divide both sides by 15

a = 7.2

5 0
3 years ago
“ write all your answers with a positive exponent so your answer will be in the form of x^# or 1/(x^#)
gayaneshka [121]

Answer:

Step-by-step explanation:

5). \frac{1}{x^{-9}} = \frac{1}{\frac{1}{x^9} }

     = x^{9}

6). \frac{1}{x^{-2}}=\frac{1}{\frac{1}{x^2} }

      = x²

7). x^{-6}=\frac{1}{x^6}

8). \frac{1}{x^{-7}}=\frac{1}{\frac{1}{x^7} }

           = x^{7}

9). x^{-8}=\frac{1}{x^8}

10). \frac{1}{x^{-3}} = \frac{1}{\frac{1}{x^{3}}}

            = x³

7 0
3 years ago
a photographer is taking the 4th grade class picture. She stands on a ladder to get a better angle . From the top step of the la
Kruka [31]
Given:
a ladder with three steps.
top step is 45° angle.

45° / 3 steps = 15°

So, top step is 45°. Middle step is 30°. Bottom step is 15°. Ground is 0°

The photographer would shout on the bottom step at an angle of 15°.
4 0
3 years ago
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