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IrinaK [193]
2 years ago
14

Celeste studied 1.25 hours for her Math test. This was 0.5 hour less than she studied for her Science test. Use the following eq

uation to find out how long she studied for her Science test.
Let h = hours studied
h – 0.5 = 1.25
Mathematics
2 answers:
Ostrovityanka [42]2 years ago
7 0

Answer:

1.75 - 0.5 = 1.25

Step-by-step explanation:

Gemiola [76]2 years ago
3 0

Answer:

1.75 - 0.5 = 1.25

Step-by-step explanation:

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In a seventh grade class, 14 out of 30 students are boys. In simplest terms, what is the ratio of the number of boys to the numb
Tanya [424]

Answer:

C

Step-by-step explanation:

14 : 16

7 : 8

boys : girls

3 0
2 years ago
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Jamal and Samuel are saving for a camping trip. Jamal starts with $18 and saves $5 each week. Samuel starts with $10 and saves $
TiliK225 [7]

Answer:

Jamal :

have = $18

need = $46-$18

= $28

saves = $5 each week

= $5 × 5 weeks

= $25 ( not enough )

Samuel :

have = $10

need = $46 - $10

= $36

saves = $7 each week

= $7 × 5 weeks

= $35 ( not enough )

thus, both boys would not have enough money to pay for the trip .

6 0
2 years ago
A man bought A $250 suit and four shirts for $398 how much did she spend per shirt
solniwko [45]

Answer: 99.5

Step-by-step explanation:

398 ÷ 4


3 0
3 years ago
A pyramid of volume 344 square units is sliced into two pieces by a plane parallel to the base of the pyramid and 10 units away
Tom [10]

Answer:

80 units

Step-by-step explanation:

v = 1/3 bh

v₁ = 1/3 * b * h₁ = 344

v₂ = 1/3 * b * h₂ = 301

v₁ / v₂ = h₁ / h₂ = 344 / 301

h₂ = h₁ - 10

h₁ / (h₁ - 10) = 344 / 301

344 * (h₁ - 10) = 301 * h₁

344* h₁ - 3440 = 301 * h₁

43 * h₁ = 3440

h₁ = 80

4 0
2 years ago
92.4 is 150% of what number?
Ad libitum [116K]
1. We assume, that the number 92.4 is 100% - because it's the output value of the task. 
<span>2. We assume, that x is the value we are looking for. </span>
<span>3. If 92.4 is 100%, so we can write it down as 92.4=100%. </span>
<span>4. We know, that x is 150% of the output value, so we can write it down as x=150%. </span>
5. Now we have two simple equations:
1) 92.4=100%
2) x=150%
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
92.4/x=100%/150%
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 150% of 92.4

92.4/x=100/150
<span>(92.4/x)*x=(100/150)*x       - </span>we multiply both sides of the equation by x
<span>92.4=0.666666666667*x       - </span>we divide both sides of the equation by (0.666666666667) to get x
<span>92.4/0.666666666667=x </span>
<span>138.6=x </span>
x=138.6

<span>now we have: </span>
<span>150% of 92.4=138.6</span>
3 0
3 years ago
Read 2 more answers
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