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3 years ago

Evaluate 1/4c + 3d when c = 6 and d = 7

Mathematics

2 answers:

Natalka [10]3 years ago

7 0

Replace the C and D with 6 and 7.

1/4 (6) + 3 (7)

6/4 + 21

6/4 + 84/4 = 90/4

90/4 = 22.5

Hope this helps!

Lesechka [4]3 years ago

3 0

1/4(6) + 3(7)
= 1/4 x 6 + 3 x 7
1/4 x 6= 3/2
3 x 7= 21
= 3/2 +21
= 21/1 + 3/2
= 21 x 2/2 + 3/2
=2 x 21 + 3/2
= 45/2

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Serjik [45]

Answer:

2 11/14 squared feet

Step-by-step explanation:

Area of a rectangle = length x width

Give length = 3 1/4 and

Width = 3/4

Therefore,

Area = 3 1/4 x 3/4

Change the mixed size fraction to an improperly fraction

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3 years ago

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erik [133]

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2 years ago

I really need an answer pls I used all my points :’(

Mazyrski [523]

Answer:

266 tickets

Step-by-step explanation:

Ratio of adult tickets to child tickets is 4 : 3

So, if we think of these as "parts", there are 4 parts adult tickets and 3 parts child tickets.

In total there is:

4 + 3 = 7 parts

Now, given 152 adult tickets. If there are 4 parts of adult tickets, how much is each part worth?

152/4 = 38

Total amount of tickets is 7 of these "parts", so total number of tickets is:

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5 0

3 years ago

Read 2 more answers

Jackie works at two different jobs so she can buy a new car. She makes $15 per hour at her first job and $12 per hour at her sec

Inessa05 [86]

Answer:

Step-by-step explanation:

Step-by-step explanation:

$15x8=$120 = money earned at first job

$12x3=$36 = money earned at second job

$120+$36=$156 =total earned

7 0

2 years ago

two trains leaves stations 320miles apart at the same time and travel toward eachother. One train travels at 110 miles per hour

I am Lyosha [343]

x/110 = (320-x)/90

<span> Cross multiply</span>

90x = 35200-110x

200x=35200

X = 35200/200 = 176 (distance traveled by train going 110 mph

176/110 = 1.6 hours = 1 hour and 36 minutes

Check: 110*1.6 = 176, 90*1.6 = 144

176+144 = 320

it will take 1.6 hours ( 1 hour 36 minutes) for the trains to meet

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3 years ago