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2 years ago

Susan is 60 inches tall. Myra is 6 inches taller than Elaine, who is 4 inches shorter than susan how tall is myra

Mathematics

1 answer:

LenKa [72]2 years ago

5 0

62 inchezzzzzzz so 60-4 = 56 --- 56 +6 = 62

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Mika bought 9 rolls of film to take 180 pictures on a field trip. Some rolls had 36 exposures and the rest had 12 exposures. How

Juli2301 [7.4K]

The number of each type Mika bought =x = 6.8 rolls; y= 2.2 rolls.

<h3>Calculation using ratio</h3>

The number of rolls of film Mika bought = 9 rolls

The number of rolls that had 36 exposures = x

The number of rolls that had 12 exposures = y

The total number of exposures = 36 + 12 = 48

To find the exposure by one roll = 48/9 = 5.3

If one roll = 5.3 exposure

x roll = 36 exposure

Make x roll the subject of formula,

x roll = 36/5.3 = 6.8 rolls

If one roll = 5.3 exposure

y roll = 12 exposure

Make y roll the subject of formula,

y = 12/5.3 = 2.2 rolls

Therefore, the number of each type Mika bought = x = 6.8 rolls; y= 2.2 rolls.

Learn more about ratios here:

brainly.com/question/2328454

#SPJ1

6 0

2 years ago

A dolphin jumps out of the water with

Mandarinka [93]

Answer:

$t=1.25\ sec$

Step-by-step explanation:

we have

$h(t)=-16t^{2}+20t$

where

t is the time in seconds

h is the dolphin's height in feet

we know that

When the dolphin return to the water the value of h(t) is equal to zero

For h(t)=0

$0=-16t^{2}+20t$

$16t^{2}=20t$

Simplify

$16t=20$

$t=\frac{20}{16}$

$t=\frac{5}{4}=1.25\ sec$

see the attached figure to better understand the problem

3 0

2 years ago

Please help me if yk tha answer :))

Basile [38]

Answer:

cosθ = sinθ/tanθ

Step-by-step explanation:

tanθ = sinθ/cosθ (Given)

cosθ(tanθ) = sinθ (Mulitplied cosθ on both sides)

cosθ = sinθ/tanθ (Divided tanθ on both sides)

3 0

2 years ago

HELP ME PLSS<br> Find g(f(x)). <br> f(x)= x- 3 <br> g(x)= x^2-x- 2

Over [174]

G(x)=10 because they g goes into c

5 0

2 years ago

I will mark brainiest if you answer ty also you can answer one of them or both tysm i will mark brainliest for both

rewona [7]

Step-by-step explanation:

a) The total cost C is given by

$C = \$60n + \$40$

b) If the total cost is $400, then we can solve for the number of hours as

$\$400 = \$60n + \$40 \Rightarrow \$360 = \$60n$

Solving for n, we get

$n = \dfrac{\$360}{\$60} = 6\:\text{hrs}$

5 0

2 years ago