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Leokris [45]
2 years ago
5

Which rate can you set StartFraction 30 miles Over 1 hour EndFraction equal to in order to find the time it takes to travel 900

miles at 30 miles per hour? StartFraction question mark hours Over 900 miles EndFraction StartFraction question mark hours Over 30 miles EndFraction StartFraction 30 miles Over question mark hours EndFraction StartFraction 900 miles Over question mark hours EndFraction
Mathematics
2 answers:
Marianna [84]2 years ago
6 0

Answer:

B!!!!

Step-by-step explanation:

SVETLANKA909090 [29]2 years ago
4 0

Answer:

 D. (900 mi)/(? hours)

Step-by-step explanation:

The given fraction has miles in the numerator and hours in the denominator. To write a proportion, you need to equate that to a fraction that has miles in the numerator and hours in the denominator. The (miles, hours) pair of interest is (900 miles, ? hours), so the necessary proportion is...

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a particular submarine is 12 m long. A model of it was built with a scale of 1 cm: 3 m. How long is the model? Show all work.
slamgirl [31]
1cm : 3m

to get from 12m to 3m you have to divide by 4, so if:

3 x 4 = 12

then you do the same to the 1cm and you get:

1 x 4 = 4

Therefore:

1cm : 3m
4cm : 12cm

the model is 4cm

the answer is the above in bold
hope it helped :)
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5 0
3 years ago
What is the sum of the first positive even numbers?
ioda

Answer:

Step-by-step explanation:

6

8 0
3 years ago
Olivia made 14 outfits for her dolls. Each outfit used 3/5 of fabric. If she started with 10 3/4 yards of fabric, how much did s
Zepler [3.9K]

Answer:

0.1 yards of fabric

Step-by-step explanation:

Data provided in the question:

Number of outfits made for the doll = 14

Fabric used in each outfit = \frac{3}{5} yards of fabric

Starting fabric available = 10 × \frac{3}{4} or \frac{30}{4} yards

Now,

The total fabric used in making the outfits of 14 dolls

= 14 × \frac{3}{5} yards of fabric

= \frac{42}{5} yards of fabric

Therefore,

The fabric left after making the outfits

= Fabric available in the start - Fabric used  in making the outfits

= \frac{30}{4} yards - \frac{42}{5} yards

= \frac{30\times5-42\times4}{4\times5} yards

=  \frac{150-168}{20} yards

= \frac{2}{20} yards

= 0.1 yards of fabric

5 0
3 years ago
Please help! This is due at 11:59pm (the problem is stated in the photo)
SVETLANKA909090 [29]

Answer:

y=-5x

Step-by-step explanation:

this is because slope intercept form is y=mx+b

if m= -5 and b=0 the answer would be

y=-5x+0

simplified it would be

y=-5x

7 0
3 years ago
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Use the drop-down menu to create true statements,
taurus [48]

Answer:

A) Vertical test

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C) x

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