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WINSTONCH [101]
2 years ago
14

What is the value of y in the equation 5x+2y=20 when x = 0.3?

Mathematics
1 answer:
zavuch27 [327]2 years ago
8 0

Answer:

y = 9,25

Step-by-step explanation:

(5*0,3) + 2y = 20 (x=0,3)

1,5 + 2y = 20 .  (-1,5)

2y = 18,5 ( /2)

y = 9,25

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harkovskaia [24]

Answer:

Yes

Step-by-step explanation:

Graph this function on your calculator and you will see an upwards graph, if the range (y), -1 can be mapped on the graph, it is within the range.

6 0
3 years ago
A teacher has a bag of candy. If she gives every student in her class 4 pieces of candy, she is left with 48 pieces of candy. Ho
yawa3891 [41]
Well you can't actually find a number, but you can make an equation.
lets call the bag of candy x, and the number of students in the teachers class S.

she gives every student in her class 4 pieces, so to find that amount, we have to multiply the number of students in her class by 4, the pieces of candy. 4S

afterwards she has 48 pieces, which is the endpoint, x is the starting point because that's the amount of candy the teacher started with.

so your equation is x-4S=48, but the thing is, the question is looking for the amount of students she gave candy to, so we have to isolate S, or in easier words; put S on one side, and the numbers on the other.

so the equation is S=1/4x-12

6 0
3 years ago
Triangle OPQ is similar to triangle PST. Need this asap
mars1129 [50]

Answer:

58.2

Step-by-step explanation:

We can find the length of RS using similarity ratio

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3 0
2 years ago
Serious answers only please !! 20 points as well as brainliest for correct answer!!
Gre4nikov [31]

Answer:

Measure of angle A = 55°.

Step-by-step explanation:

From the picture attached,

\frac{AC}{LN}=\frac{BC}{LM}

\frac{10}{5}=\frac{8}{4}

2 = 2

Corresponding sides of the given triangles ΔACB and ΔNLM are proportional.

Therefore, ΔACB ~ ΔNLM.

m∠A = 180° - (90° + 35°) [By triangle sum theorem]

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Measure of angle A is 55°.

8 0
3 years ago
Read 2 more answers
Write the percent as a fraction in simplest form and as a decimal 36%
Darya [45]

Answer:

0.36, 9/25

Step-by-step explanation:

36% converts to the decimal fraction 0.36.

36% can also be expressed in the reduced fractional form 36/100= 9/25.

8 0
3 years ago
Read 2 more answers
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