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RUDIKE [14]
3 years ago
12

Complete the missing value in the solution to the equation. y=-2x+4 y=-2

Mathematics
1 answer:
anygoal [31]3 years ago
3 0

Answer:

X=3,y=-2

Step-by-step explanation:

This is a simultaneous equation question and we will have to solve using substitution method

So let's solve

y=-2x+4...(1)

y=-2....(2)

Let's substitute (2) into (1)

-2=-2x+4

Substrate 4 from both sides

-6=-2x

Divide both sides by-2

x=3

Substitute the value of x in (1)

y=-2(3)+4

y=-6+4

y=-2

Therefore x is 3,y is -2

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What is 2/3+4/5 simplified ?
11Alexandr11 [23.1K]

Answer:

\frac{2}{3}  +  \frac{4}{5}

=  \frac{10 + 12}{15}

=  \frac{22}{15}

= 1 \frac{7}{15}

6 0
4 years ago
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Using Heron’s formula, calculate the area of the parallelogram to the nearest tenth of a square unit.
11Alexandr11 [23.1K]

Answer:

the area = 36.7

Step-by-step explanation:

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3 years ago
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Simplify (2*4)−1.
EastWind [94]

The simplification form of the number expression (2⁴)⁻¹ is 1/2⁴ option (B) one over two raised to the fourth power is correct.

<h3>What is an integer exponent?</h3>

In mathematics, integer exponents are exponents that should be integers. It may be a positive or negative number. In this situation, the positive integer exponents determine the number of times the base number should be multiplied by itself.

It is given that:

The number expression is:

= (2⁴)⁻¹

Using the properties of the integer exponent:

= 1/2⁴

The above number is one over two raised to the fourth power

Thus, the simplification form of the number expression (2⁴)⁻¹ is 1/2⁴ option (B) one over two raised to the fourth power is correct.

Learn more about the integer exponent here:

brainly.com/question/4533599

#SPJ1

6 0
2 years ago
Y=1/3x+11/15 find x if y=6
Svetlanka [38]

Step-by-step explanation:

plug in y

6=1/3x+11/15

multiply both sides by 15 to get rid of the fraction

90 = 5x +11

move terms to make them like terms

-5x =11- 90

-5x = -79

divide both sides by -5

evaluate for x

3 0
3 years ago
A worker at the zoo calculates the amount of fish, in pounds, needed in the weekly diet of an eagle and a bear.
denis23 [38]

____________________________________________________

Answer:

Your answer would be a 9.5% increase.

____________________________________________________

Step-by-step explanation:

In order to find the answer to your question, we would need to get the amount it's changing by, divide it by it's original, and multiply it by 100.

Your equation should look like this:

Change/Original * 100

Important information in the question:

105 pounds

115 pounds (increase in amount of food that bear eats)

With the information above,we can plug those numbers into our equation.

Since we need to find the change, we would subtract 115 and 105 to get 10. 10 is our change in this scenario.

Our original started at 105, so that'll be our original in our equation.

When you plug in the information, your equation should look like this:

10/105*100

Now you solve:

10/105*100\\\\0.0952 * 100\\\\=9.523

We have to round to the nearest tenth, and the tenth place is the number right after the decimal place.

Since 2 is not a big enough number to round the 5, we would keep the number as 5. Therefore, your answer would be 9.5

Your FINAL answer would be 9.5%

____________________________________________________

6 0
3 years ago
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