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TEA [102]
3 years ago
6

!!PLEASE HELP MY PARENTS ARE MAD AT ME FOR MY GRADES!! f( x) = -3 x – 5, calculate f(-7)

Mathematics
2 answers:
Alexus [3.1K]3 years ago
6 0

Answer:

16

Step-by-step explanation:

I did it on math.way and its right

I hope this helps

Stolb23 [73]3 years ago
4 0

Answer:

16

Step-by-step explanation:

plugin -7 for where x is

f(-7)= (-3)(-7)-5

=21-5 is 16

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In a school, the ratio of musicians to athletes is 3 : 1. The number of musicians is how many times the number of athletes?
Flura [38]

In a school, the ratio of musicians to athletes is 3 : 1. The number of musicians is how many times the number of athletes?

Answer:

3 times as many as the athletes

Hope that helps and good luck

~May

8 0
3 years ago
The table shows the results of rolling a number cube with sides labeled 1 through 6 several times.
faust18 [17]

Total times die rolled =10+6+4+8+6+6=40

Times 3 and 6 appears

  • 4+6=10

Experimental probability

P(3 or 6)

  • 10/40
  • 1/4
  • 0.25
8 0
3 years ago
Read 2 more answers
linda's container of cranberry juice holds 200 milliliters. Harry's container holds 7/8 as much juice. How many juice do two con
miss Akunina [59]
One of the containers holds 200 ml

the other holds 7/8 as much, so multiply 200 times 7/8
200 * 7/8 = 1400/8 = 175 ml

Now add the two together.
200ml + 175ml = 375 ml
6 0
4 years ago
Read 2 more answers
The first and second steps to solve the equation 3x/5+5=20
Aloiza [94]
Follow PEMDAS - but backwards.
(Parenthesis, Exponents. Multiplication, Division, Addition, Subtraction)


First SUBTRACT 5 from each side of the equation...

3x/5 + 5 (- 5) = 20 (- 5)


3x/5 = 15


Next MULTIPLY each side by 5...

3x/5 ( • 5) = 15 (• 5)

3x = 75


The third step if you need is to DIVIDE ...

3x ( / 3) = 75 (/ 3)

x = 25
6 0
4 years ago
Read 2 more answers
What's the distance between points (2,-3) and (5,1)
Sauron [17]

Answer:

d = 5

General Formulas and Concepts:

Order of Operations: BPEMDAS

Distance Formula: d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Step-by-step explanation:

<u>Step 1: Define points</u>

(2, -3)

(5, 1)

<u>Step 2: Solve for </u><em><u>d</u></em>

  1. Substitute:                              d = \sqrt{(5-2)^2+(1-(-3))^2}
  2. Subtract:                                 d = \sqrt{(3)^2+(1-(-3))^2}
  3. Change signs:                        d = \sqrt{(3)^2+(1+3)^2}
  4. Add:                                        d = \sqrt{(3)^2+(4)^2}
  5. Exponents:                             d = \sqrt{9+16}
  6. Add:                                        d = \sqrt{25}
  7. Evaluate:                                 d = 5
3 0
3 years ago
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