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Zepler [3.9K]
2 years ago
10

Help please its hard​

Mathematics
1 answer:
Gwar [14]2 years ago
5 0

Answer:

11

Step-by-step explanation:

Rewrite expression using given information:

20 - 3a + 2b = 20 - 3*7 + 2*6

20 - 21 + 12 = 11

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Jerome will also order t-shirt for the volunteers he will order both adults and child size t shirt
RideAnS [48]

a >= 200

5 a + 2.5 c <=1500

Step-by-step explanation:

Step 1 :

Let c be the number of child t shirt and a be the number of adult t-shirts

Given the cost of adult t-shirt is $5 and the cost of child t-shirt is $2.50

Step 2 :

Inequality 1

Given that Jerome needs at least 200 adult t-shirts .

So the minimum quantity of adult t-shirts should be 200

Hence we have a >= 200

Step 3 :

Inequality 2

Given that the total cost should be less that $1500

We have,

5 a + 2.5 c <=1500

5 0
2 years ago
Read 2 more answers
What are the solution(s) to the quadratic equation 50 - x² = 0?
grandymaker [24]

Answer:

The answer is C.

Step-by-step explanation:

50-x^2=0

x^2=50

x=\pm \sqrt{50} =\pm \sqrt{25*2}=\pm 5\sqrt{2}

The answer is C (I am assuming that it isn't 5/2).

7 0
2 years ago
In which data set do the variables have the stronger
sergeinik [125]

Answer: It’s the first one.

Step-by-step explanation: it’s right on edge

4 0
2 years ago
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Can you please help me?
irina [24]
So for this you just want to divide 4/5 by 9/10 because it is the opposite of the equation.

9/10 / 4/5

To divide fractions, you just multiply and reverse the second fraction.

For example:

9/10 * 5/4

Now you can just normally multiply.

45/40

Or, simplified,

9/8

(Or 1 1/8)
6 0
3 years ago
Sean is trying to save $192 to buy a new bike. He currently has $62 in the bank.
tatuchka [14]

Answer:

The answer is D

Step-by-step explanation:

7 0
2 years ago
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