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Tatiana [17]
3 years ago
6

Please help me i will give you brainlyest

Mathematics
1 answer:
Fofino [41]3 years ago
5 0

Answer:

2.25

Step-by-step explanation:

3/4 (or 0.75) plus (4 times 1 1/2) divided by 3. SO... 0.75+(4×1 1/2)÷3= 2.25

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Heather, Shen, and Aldo served a total of 57 orders Monday at the school cafeteria. Shen served 2 times as many as Aldo. Aldo se
pishuonlain [190]

Answer:

Shen served 32 orders, Aldo served 16 orders and Heather served 9 orders

Step-by-step explanation:

Let S represent Shen, A, Aldo and H, Heather

Now, let's interpret the question

Shen served 2 times as many as Aldo, this gives:

S = 2A          ...eq 1

Aldo served 7 more orders than Heater

A = 7 + H     ... eq 2

Slot in the value of A in eq 1

Therefore,

S = 2 (7 + H)

Expand the bracket

S = 14 + 2H

Shen, Heather and Aldo served a total of 57 orders

S + A + H = 57

Slot in the values of S and A

(14 + 2H) + (7 + H) + H = 57

14 + 2H + 7 + H + H = 57

Collect like terms

14 + 7 + 2H + H + H = 57

21 + 4H = 57

4H = 57 - 21

4H = 36

H = 9

Substitute the value of eq 2

A = 7 + H

A = 7 + 9

A = 16

Substitute the value of A in eq 1

S = 2A

S = 2(16)

S = 32

Therefore, Shen served 32 orders, Aldo served 16 orders and Heather served 9 orders

5 0
3 years ago
Solve x-34=78 find the value of x
zimovet [89]

Answer:

112 is the answer

Step-by-step explanation:

to find the value of x, you need to add both the numbers 34 and 78 to find x.

7 0
3 years ago
Read 2 more answers
Tell me which lines are parallel to each other.<br> -6x + 2y = 8; y = 4; y = 3x; y = 3
Sloan [31]

Answer: -6x+2y=8 and y=3x

Step-by-step explanation:

they must have the same slope to be parallel and when you convert -6x+2y=8 into y=mx+b it is y=3x+4

6 0
3 years ago
A girl throws a 2 kg rock with a net force of 6 N. What is the acceleration of the rock?
krek1111 [17]
Answer:
acceleration = 3 m/s²

Explanation:
From Newton's second law:
Force = mass * acceleration
We are given that:
Force = 6 Newton
mass = 2  kg

Substitute with the givens in the above equation to get the acceleration as follows:
Force = mass * acceleration
6 = 2 * acceleration
acceleration = 6 / 2 = 3 m/s²

Hope this helps :)

8 0
3 years ago
David’s father bought 5 smoothies. He paid $20. Write and solve an equation to find the cost of one smoothie.
Naya [18.7K]

Answer:

$4

Step-by-step explanation:

Because he bought 5 smoothies and they were each $20, you have to do 20÷5. Then you get $4 as your answer.

7 0
3 years ago
Read 2 more answers
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