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Brrunno [24]
2 years ago
15

Note: Remember to show all of the steps that you use to solve the problem. You can use the comments field to explain your work.

Your teacher will review each step of your response to ensure you receive proper credit for your answer.
Simplify the expression (7 + 5) + 4 • 13 – 2.
Mathematics
1 answer:
devlian [24]2 years ago
5 0

12+52-2=62 there is your answer its 62

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in 1960 there were approximately 3,000 million people living on Earth in 1999 the population of Earth was approximately 6000 mil
sveticcg [70]
The answer would be 1/4
4 0
3 years ago
PLEASE HELP! BRAINLIEST! So desperate
steposvetlana [31]

Answer:

B= A = 68

Step-by-step explanation:

ACE = BCD similar triangles.  Similar triangles have equal angles.

A=B

C=C

D=E

This means if we can find angle B, we know angle A

BCD is a triangle so it equals 180 degrees

B+C+D = 180

B + 74+38 = 180

Combine like terms

B +112 = 180

Subtract 112 from each side

B +112-112 = 180-112

B = 68

Since we know angle B, we know angle A

B= A = 68

4 0
3 years ago
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Customer: "I buy the same items every week and my bill is normally $90.00. Why am I now being charged $108.00 for the exact same
scZoUnD [109]
18
108.00- 90.00= 18.00
7 0
3 years ago
Transform the given quadratic function into vertex form f(x) = quadratic function into vertex form f(x) = quadratic function int
vesna_86 [32]

Answer:

f(x) = 3(x -\frac{2}{3})^2 -\frac{22}{3}

The vertex is (\frac{2}{3}, -\frac{22}{3})

Step-by-step explanation:

For a general quadratic function the form is:

ax ^ 2 + bx + c

For the function

f(x) = 3x ^ 2 -4x -6

Take common factor 3.

f(x) = 3(x ^ 2 -\frac{4}{3}x - 2)

The values of the coefficients for the function within the parenthesis are the following: a = 1, b = -\frac{4}{3}, c = -2

Take the value of b and divide it by 2. Then, the result obtained squares it.

\frac{b}{2}= -\frac{2}{3}

(\frac{b}{2})^2=\frac{4}{9}

Add and subtract \frac{4}{9}

f(x) = 3([x ^ 2 -\frac{4}{3}x +\frac{4}{9}]- 2-\frac{4}{9})

Write the expression of the form

f(x) = (x-\frac{b}{2})^2 +k

f(x) = 3(x -\frac{2}{3})^2 -\frac{22}{3}

The vertex is (\frac{2}{3}, -\frac{22}{3})

3 0
3 years ago
EDGE 2020
Kitty [74]

Answer:

D

arcos x and arcsec x have the same maxiumum

Step-by-step explanation:

just took the quiz on edge

6 0
3 years ago
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