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bazaltina [42]
3 years ago
15

Solve the inequality and enter your solution as an inequality in the box below, using "" for 2 if necessary. -5(4x + 7) ​

Mathematics
1 answer:
kvasek [131]3 years ago
6 0

Answer:

I simplified it to -20x - 35

Step-by-step explanation:

-5 times 4x is -20x, -5 times 7 is -35.

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abby makes two different quilts. Each quilts is a square. However, the quilts have diferent perimeter, and areas. Describe the a
Ostrovityanka [42]
I would answer this question if I had a picture or something to guide me
4 0
3 years ago
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A waitress worked 5 hours at the pizzeria and earned $59.25. How much would the waitress expect to earn in 8 hours?
Trava [24]

Answer: 94.80

Step-by-step explanation:

First, let's divide the salary she made from 5 hours of work by 5 in order to see how much she makes in a single hour.

\frac{59.25}{5} = 11.85  per hour

Multiply this by 8 to find her amount made in 8 hours.

11.85 x 8 = 94.80

7 0
3 years ago
Find the least common multiple of 15x^2 and 6x.
MissTica

Answer:

30x^2

Step-by-step explanation:

The least common multiple (LCM) of two or more non-zero whole numbers is the smallest whole number that is divisible by each of those numbers. In other words, the LCM is the smallest number that all of the numbers divide into evenly.

3 0
3 years ago
The sum of two numbers is 13. Two times the first number minus three times the second number is 1. If you let x stand for the fi
Ulleksa [173]
Solving this problem will require a system of equations. Since it's already assigned variables, we can make the equations. They are as follows.

x + y = 13    (The sum of the two numbers, x and y, is 13.)
2x - 3y = 1    (Two times the first number minus three times the second number is 1.)

To solve this system using the substitution method, isolate either x or y in the first equation. I'll isolate y.

    x + y = 13
          y = 13 - x

Substitute 13 - x for y into the second equation and solve algebraically for x.

    2x - 3y = 1
    2x - 3(13 - x) = 1
    2x - 39 + 3x = 1
    5x - 39 = 1
    5x = 40
    x = 8

Substitute 8 for x into either of the original equations and solve algebraically for y.

    x + y = 13
    8 + y = 13
    y = 5

Check all work by plugging the x- and y-values accordingly into each equation.

    x + y = 13  =>  8 + 5 = 13
    2x - 3y = 1  =>  2(8) - 3(5) = 1  =>  16 - 15 = 1

Answer:
<span>c: x = 8, y = 5
</span>
(8, 5)
8 0
4 years ago
Consider a problem where we are rolling 2 dices where each dice has 6 faces numbered from 1 to 6.Answer the following questions:
Sergeeva-Olga [200]

Answer:

1. See Explanation for Sample Space

2. P(10) = \frac{1}{12}

3. P(6) = \frac{5}{36}

Step-by-step explanation:

Given

Roll of Two die

Solving (1): The Sample Space

Represent the first dice with S1 and the second with S2

S_1 = \{1,2,3,4,5,6\}

S_2 = \{1,2,3,4,5,6\}

The sample space of both die is:

S = (1,1)(1,2)(1,3)(1,4)(1,5)(1,6)(2,1)(2,2)(2,3)(2,4)(2,5)(2,6)(3,1)(3,2)(3,3)(3,4)(3,5)(3,6)(4,1)(4,2)(4,3)(4,4)(4,5)(4,6)(55,1)(5,2)(5,3)(5,4)(5,5)(5,6)(6,1)(6,2)(6,3)(6,4)(6,5)(6,6)}\}

Solving (2): Probability of Sum being 10

First, we need to add the outcome of each roll in (1) above:

S = \{2,3,4,5,6,7, 3,4,5,6,7,8, 4,5,6,7,8,9, 5,6,7,8,9,10, 6,7,8,9,10,11 7,8,9,10,11,12\}n(S) = 36

n(10) = 3

The required probability is:

P(10)= \frac{3}{36}

P(10) = \frac{1}{12}

Solving (3): Probability of Sum being 6

n(S) = 36

n(6) = 5

The required probability is:

P(6) = \frac{5}{36}

6 0
4 years ago
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