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Sholpan [36]
2 years ago
9

The average of Johnny’s two tests is a 92. What must he get on a 3rd test to raise his average to a 94?

Mathematics
2 answers:
zheka24 [161]2 years ago
5 0
Reread, take time, and concentrate
Mazyrski [523]2 years ago
5 0

Johnny must get a test grade of a 96.

That is because adding 92 to 96 would give him 188

92 + 96 = 188

You would need to divide by 2 to find the averages of the test

188/2 = 94


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Ramon wants to plant cucumbers and tomatoes in his garden. He has room for
yarga [219]

Answer:

Number of Cucumbers = 12

Number of Tomatoes = 4

Step-by-step explanation:

Let number of cucumber be c and number of tomatoes be t

Since he has room for 16 plants, we can write:

c + t = 16

He wants to plant 3 times as many cucumbers as tomatoes. We can write:

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2 years ago
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Sails come in many shapes and sizes. The sail on the right is a triangle. Is it a right triangle? Explain your reasoning.
Rudiy27

Answer:

not a right triangle

Step-by-step explanation:

you can use the pythagorean theorem to prove whether not this is a right triangle

if this triangle is a right triangle then the following equality should be true

a²+b²=c²

(9.75)²+(3.45)²=(10.24)²

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3 0
1 year ago
A salesman used three types of order forms: A, B, C. He used 40 of Form A. Of Form B he used four times as many as Form A plus 1
aivan3 [116]

Answer:

a. 440

Step-by-step explanation:

The information provided allows us to set up the following system of linear equations:

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We already have the value for A, solving the system gives us the values for B and C:

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The total number of forms used is:

A+B+C = 40+240+160 = 440

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4 0
2 years ago
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Knowing that sin 30 = 1/2 what is a
natulia [17]

sin30^o=\frac{9}{a}\\\frac{9}{a}=\frac{1}{2}\\a=2\cdot9\\a=18

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2 years ago
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