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Darina [25.2K]
3 years ago
15

Can someone please help me with this math problem.

Mathematics
1 answer:
Molodets [167]3 years ago
6 0
4.5 - 0.5 = 4 Correct
5 root 4 - root 3 = 8 Incorrct
2 root 3 - root 3 = 1.7.... Incorrect
root 8 - root 8 = 0 Correct
Only 1 and 4 is correct, 2 and 3 is incorrect.
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Simplify <br><br> 32 + 6 x 5 -7+12 ÷ 4 <br> A. 38 <br> B. 48.75 <br> C. 52 <br> D. 58
Serga [27]

Answer:

D. 58

Step-by-step explanation:

The multiplication and division are performed first.

... 32 +6·5 -7 +12/4

... = 32 +30 -7 +3

Then, the Order of Operations tells you to do the addition/subtraction left to right. Of course, if you keep the sign with the number, you can do the addition in any convenient order.

... = 62 -7 +3

... = 55 +3

... = 58

5 0
3 years ago
Drag the tiles to the correct boxes to complete the pair.
seraphim [82]

Answer:

1. h(x) = x + 5—> f(x) = x² + 4x - 5, and g(x) = x - 1

2. h(x) = x + 3 —> f(x) = x² - 9, and g(x) = x - 3

3. h(x) = x + 4—> f(x) = x² - 16, and g(x) = x - 4

4.h(x) = x - 1—> f(x) = x² - 4x + 3, and g(x)= x - 3

Step-by-step explanation:

A) f(x) = x² - 9, and g(x) = x - 3

We are told that; h(x) = f(x)/g(x)

f(x) = x² - 9 can be factorized to;

f(x) = (x + 3)(x - 3)

Thus; h(x) = (x + 3)(x - 3)/(x - 3)

(x - 3) will cancel out to give;

h(x) = x + 3

B) f(x) = x² - 4x + 3, and g(x)= x - 3

x² - 4x + 3 can be factorized as;

(x - 1)(x - 3)

Thus; f(x) = (x - 1)(x - 3)

h(x) = (x - 1)(x - 3)/(x - 3)

h(x) = x - 1

C) f(x) = x² + 4x - 5, and g(x) = x - 1

x² + 4x - 5 can be factorized as;

(x - 1)(x + 5)

Thus; f(x) = (x - 1)(x + 5)

h(x) = (x - 1)(x + 5)/(x - 1)

h(x) = x + 5

D) f(x) = x² - 16, and g(x) = x - 4

x² - 16 can be expressed as;

(x + 4)(x - 4)

Thus; f(x) = (x + 4)(x - 4)

h(x) = (x + 4)(x - 4)/(x - 4)

h(x) = x + 4

8 0
2 years ago
Evaluate 15r -1 when r=5
alukav5142 [94]

Answer:

74

Step-by-step explanation:

You just have to substitute r with 5.

Now, the equation looks like this:

15(5)-1

Next, solve 15*5 first according to PEMDAS

And 15*5 equals 75

\frac{\left[\begin{array}{ccc}1&5\\5\\\end{array}\right] }{75}

Lastly, do 75-1 which equals 74

\frac{\left[\begin{array}{ccc}7&5\\-1\\\end{array}\right] }{74}

Therefore, 74 is your answer.

3 0
2 years ago
150=2x do the work out please​
IrinaVladis [17]

Answer:

Let's solve the expression!

Step-by-step explanation:

150 = 2x

\frac{150}{2}=\frac{2x}{2}

75 = x

Your answer is 75.

The fraction shows 150 ÷ 2 and 2x ÷ 2.

I hope this helps!

<h2><u>PLEASE MARK BRAINLIEST!</u></h2>
7 0
3 years ago
Read 2 more answers
What is the factored form of each expression?<br><br> 20x + 35y
Tasya [4]
The factored form of 20x+35y would be 5(4x+7y). If you use the distributive property of multiplication, you can see that the expression has not changed. 
5 0
3 years ago
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