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dedylja [7]
2 years ago
7

Word Questions - Fractions and Percents HELP PLEASE

Mathematics
1 answer:
svlad2 [7]2 years ago
7 0

Answer:

4a. 15 wear braces

b. 20%

5a. 140 children - 400 - 120 = 280 ... 280/2=140

b. 35%

6a. Bob got $22.50. $45 / 2 = $22.50

b. $45  - $90 / 2 = $45

Step-by-step explanation:

pls mark brainliest! <3

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Julissa is running a 10-kilometer race at a constant pace. After running for 18 minutes, she completes 2 kilometers. After runni
vodomira [7]
First, we need her speed as it will serve as the slope of the equation.
Distance = 2 km
time = 18 min
Speed = 1/9 km/min
k = (1/9)t
Where k is the distance in km and t is the time in minutes.
6 0
3 years ago
<img src="https://tex.z-dn.net/?f=%7By%7D%5E%7B2%7D%20%2B%20%5Cfrac%7B3y%7D%7B2%7D%20%3D%20%5Cfrac%7B27%7D%7B2%7D%20" id="TexFor
Grace [21]

Answer:

Solve the equation for y by finding a, b, and c

of the quadratic then applying the quadratic formula.

Exact Form:

y = 3,−9/2

Decimal Form:

y = 3,−4.5

Mixed Number Form:

y = 3,− 4 1/2

Step-by-step explanation:

branliest pls

7 0
2 years ago
Read 2 more answers
Plz help me will give brainliest
rosijanka [135]

Answer:

10

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
a ferry boat collects 67 people at pier one. At pier two 36 people get on and 23 people get off. At pier three 18 get on and 29
GREYUIT [131]

Starts off with 67 people.

Pier two: 67 + 36

               103 - 23 = 80

Pier three: 80 + 18

                 98 - 29 = 69

There will be 69 people on the boat heading for Pier four

6 0
3 years ago
HELPPPPPP!!!!!!!!!!!!!!!!!
Mnenie [13.5K]

Answer:

The student is wrong.

Step-by-step explanation:

To divide exponents (or powers) with the same base, subtract the exponents.  In the second step, the wrong result is calculated.

\frac{x^{\frac{6}{5}}}{x^{\frac{2}{5}}} = x^{\frac{4}{5}}

7 0
2 years ago
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