2 years ago

Math swatch pls help

Mathematics

1 answer:

solniwko [45]2 years ago

4 0

Answer:

The answer is 11.9cm

Step-by-step explanation:

The solution is in the image

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If f(x) = 2x2 + 1 and g(x) = x2 – 7, find (f – g)(x).

nadya68 [22]

Answer: The required value is

$(f-g)(x)=x^2+8.$

Step-by-step explanation: The given functions are:

$f(x)=2x^2+1,\\\\g(x)=x^2-7.$

We are given to find the value of $(f-g)(x).$

We know that, if s(x) and t(x) are any two functions of a variable x, then we have

$(s-t)(x)=s(x)-t(x).$

Therefore, we have

$(f-g)(x)\\\\=f(x)-g(x)\\\\=(2x^2+1)-(x^2-7)\\\\=2x^2+1-x^2+7\\\\=x^2+8.$

Thus, the required value is

$(f-g)(x)=x^2+8.$

5 0

3 years ago

The following table shows the results when

Diano4ka-milaya [45]

Answer:

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4 0

3 years ago

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How do you solve 7x-5=30?

Nadya [2.5K]

7x - 5 = 30

* add 5 to both sides

7x = 30 + 5

7x = 35

* divided both sides by 7

(7/7)x = 35/7

<u><em>x = 5</em></u>

8 0

3 years ago

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Please help me taking a test

Paladinen [302]

Answer: the one that ends with 30. D the fourth one

Step-by-step explanation:

5 0

3 years ago

A rectangle has an AREA of 36in2 and the height measures 9 in. What is the base measurement?

RSB [31]

Area =bh
36in2=b(9)
——— ——
9 9

36
—— =4
9

Base= 4

7 0

2 years ago