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fomenos
2 years ago
8

Help me plssssssssssss

Mathematics
1 answer:
DanielleElmas [232]2 years ago
6 0

Answer:

A. 23.1

B. 0.3

Step-by-step explanation:

When rounding to one decimal place, look at the next number, (in this case, in the hundredths column) if the number is 5 or above, round up and if it’s four or below, round down

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Answer this maths watch question step-by-step
Scilla [17]

The value of <u>a</u> is 2 and the value of <u>b</u> is 6.

<h3>Factoring</h3>

In math, factoring or factorization is used to write an algebraic expression in factors. There are some rules for factorization.  One of them is a factor out a common term for example: x²-x= x(x-1), where x is a common term.

You should factor the given expression.

2-\frac{x+3}{x+1}-\frac{x-5}{x-1}\\ \\ 2+\frac{-\left(x+3\right)\left(x-1\right)-\left(x-5\right)\left(x+1\right)}{\left(x+1\right)\left(x-1\right)}\\ \\ \mathrm{Apply\:the\:fraction\:rule}:\quad \:a+\frac{b}{c}=\frac{ac+b}{c}\\ \\ \frac{2\left(x+1\right)\left(x-1\right)-\left(x+3\right)\left(x-1\right)-\left(x-5\right)\left(x+1\right)}{\left(x+1\right)\left(x-1\right)}\\ \\ \frac{2x+6}{\left(x+1\right)\left(x-1\right)}=\frac{2x+6}{x^2-1}

Read more about the factoring here:

brainly.com/question/11579257

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4 0
2 years ago
How Do You Match An Equation With A Graph?
mr_godi [17]
In matching an equation with a graph, there are many ways, one of them i using the Slope Intercept Form of the graph, convert the graph and then compare the slope of the two. I hope you are satisfied with my answer and feel free to ask for ore if you have question and further clarification.
5 0
3 years ago
10. A shape is made of 5 right triangles of equal size. Each triangle has a base of 7 cm and a height of 4 cm. What is the total
Oliga [24]

Answer:

Option C - 70 cm²

Step-by-step explanation:

Area of a right angle triangle is given by the formula :

A = 1/2×h×b

A = 1/2×7×4

A = 1/2×28

A = 14

This is the area of 1 right angle triangle. The area of 5 will be

14×5 = 70

Units will be cm²

Hope this helped and have a good day

8 0
2 years ago
D(x) = 2x − 4 and c(x) = 2x − 7 Find (d + c)(3)
Rasek [7]

Answer: 1

Step-by-step explanation:

Find (d + c)(3) The x value is 3 so you plug in 3 for the x's in the equation

d(x) = 2x − 4

d(3) = 2(3) - 4

d(3) = 2

c(x) = 2x − 7

c(3) = 2(3) - 7

c(3) = -1

Now you plug in the value of d and c into your original equation which is (d+c)(3)

(2 + (-1)) = 1

This means (d+c)(3) = 1

6 0
1 year ago
In a volley ball game, Steve served the ball over the net 17 out of 25 times. What percent did he not make over the net?
kkurt [141]

Answer:

32%

Step-by-step explanation:

25 - 17 = 8

8/25 x 100% = 32%

4 0
3 years ago
Read 2 more answers
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