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nalin [4]
2 years ago
8

Gina is making $20 an hour. She receives a 10% raise. If gina works 40 hours a week, how much more money will she make each week

?
Mathematics
1 answer:
Elden [556K]2 years ago
6 0

Answer:

880

Step-by-step explanation:

20 x 10% = 2

20 + 2 = 22

22 x 40 = 880

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3. Mateus recebe a visita do seu avô Pedro a cada 15 dias. João, o tio dele, o visita a cada 100
maxonik [38]

Answer:

Este acontecimento se repetirá 300 dias depois.

Step-by-step explanation:

Quando os eventos se repetirão no mesmo dia?

Cada evento tem uma frequência.

Eles ocorrem simultaneamente a cada x dias, e x é dado pelo MMC(Mínimo Múltiplico Comum) entre as frequência.

Neste problema:

A cada 15 dias o avô visita.

A cada 100 dias o tio visita.

A cada 12 dias vai à praia.

Quantos dias depois este acontecimento se repetirá?​

Os três no mesmo dia vão se repetir após x dias, em que x é dado pelo MMC de 15, 100 e 12

MMC de 15, 100 e 12

Fatorando simultâneamente estes valores:

15 - 100 - 12|2

15 - 50 - 6|2

15 - 25 - 3|3

5 - 25 - 1|5

1 - 5 - 1|5

1 - 1 - 1

Então:

mmc(15,100,12) = 2*2*3*5*5 = 300

Este acontecimento se repetirá 300 dias depois.

3 0
3 years ago
Help help help help help
Tems11 [23]
All you have to do is see if they are all true statements.

a. 8+15 should be bigger than 17
15+17 should be bigger than 8
17+8 should be bigger than 15

a. is a right triangle

b.11+5 should be bigger than 8
8+11 should be bigger than 5
8+5 should be bigger than 11

b. is a right triangle.

I hope that helped. I’m using a different technique and I hope it’s correct.
3 0
3 years ago
Read 2 more answers
Super urgent!<br><br> Solve the equation for all real values of x. 3tan^2 = sqrt3 tanx
lutik1710 [3]

f(x) = tan2(x) + (√3 - 1)[tan(x)] - √3 = 0

tan2(x) + √3[tan(x)] - tan(x) - √3 = 0

Factor into

[-1 + tan(x)]*[√3 + tan(x)] = 0

which means

[-1 + tan(x)] = 0 and/or [√3 + tan(x)] = 0

Then

tan(x) = 1

tan-1(1) = pi/4 radians

For the other equation

[√3 + tan(x)] = 0

tan(x) = -√3

tan-1(-√3) = -pi/3

so that

x = pi/4 or -pi/3 in the interval [0, 2pi]

5 0
3 years ago
What is -3 - (-1)?? please help
irinina [24]

Answer:

The negative of a negative is a positive. You can rewrite the equation as -3+1. So, the answer is -2.

:)

7 0
2 years ago
Read 2 more answers
SOMEONE PLEASE I NEED HELP!!!!!!!
Genrish500 [490]

Answer:

1 1/2 cups

Step-by-step explanation:

2/3 cup of almonds = 4 cups of trail mix

4 cups of trail mix = 2/3 cup of almond

4 cups of trail mix = 2/3 cup of almond

1 cup of trail mix = 2/3 ÷ 4 = 1/6 cup of almond

1 cup of trail mix = 1/6 cup of almond

9 cups of trail mix = 1/6 x 9 = 3/2 cup of almond

3/2 cups = 1 1/2 cups

7 0
3 years ago
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