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Ksivusya [100]
3 years ago
10

If s(x) = 2 - x2 and t(x) = 3x, which value is equivalent to (st)(-7)

Mathematics
1 answer:
antoniya [11.8K]3 years ago
6 0

Answer:

1029

Step-by-step explanation:

s(-7)=2-49=-47, t(-7)=-21

(st)(-7)=21*49=1029

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100 POINTS PLEASE HELP ASAP!!!!!
UkoKoshka [18]

The two numbers are 31 and 35.

Step-by-step explanation:

Let,

one number = x

2nd number = y

According to statement;

x+y=66   Eqn 1

y=x+4      Eqn 2

Putting y=x+4 from Eqn 2 in Eqn 1;

x+(x+4)=66\\x+x+4=66\\2x=66-4\\2x=62\\Dividing\ both\ sides\ by\ 2\\\frac{2x}{2}=\frac{62}{2}\\x=31\\Putting\ x=31\ in\ Eqn\ 2\\y=31+4\\y=35

The two numbers are 31 and 35.

Keywords: Linear equation, Addition

Learn more about linear equations at:

  • brainly.com/question/9862781
  • brainly.com/question/9762331

#LearnwithBrainly

7 0
3 years ago
What equation do you get when you solve 3x-4y=24 for y
erica [24]
Hi there!

You get 3(x-8) all over 4.

Hope this helps !

5 0
2 years ago
3x - 3y = 9 for D = (0,3,8)
scoray [572]

Answer:

3(x-y)

Step-by-step explanation:

8 0
3 years ago
Boye cuts out a rectangle that has a perimeter of 26 inches and a length of 8 inches. He cuts out another rectangle that is the
Nikolay [14]

The new dimensions of the new rectangle is length 8 inches and width 10 inches.

<h3>How to find width of a rectangle?</h3>

  • Perimeter = 26 inches
  • Length = 8 inches
  • Width = x inches

Perimeter of a rectangle = 2(length + width)

26 = 2(8 + x)

26 = 16 + 2x

26 - 16 = 2x

10 = 2x

x = 10/2

x = 5 inches

New rectangle

  • Same length = 8 inches

  • Twice wide = 2(5 inches)

= 10 inches

Therefore, the new dimensions of the new rectangle is length 8 inches and width 10 inches.

Learn more about perimeter of rectangle:

brainly.com/question/24571594

#SPJ1

5 0
2 years ago
Use the following recipe to answer questions 1 through 4:
grandymaker [24]

Answer:

1. pounds (lb)

2. pints (pt)

3. teaspoon (tsp)

4. cups (c)

Step-by-step explanation:

<h3><u>US Standard Units</u></h3>

<u>Liquid</u>

  • Fluid Ounces (fl oz)
  • Cups (c)
  • Pints (pt)
  • Quarts (qt)
  • Gallons (gal)

128 fl oz = 16 cups = 8 pints = 4 quarts = 1 gallon

<u>Mass</u>

  • Ounces (oz)
  • Pounds (lb)
  • Tons (short ton)

32000 ounces = 2000 pounds = 1 ton

<h3><u>Solutions</u></h3>

1.  The best US standard unit in which to measure pumpkin with a mass of 1.2 kg would be pounds (lb).

⇒ 1 kg ≈ 2.205 lb

⇒ 1.2 kg ≈ 1.2 × 2.205 = 2.65 lb

2. The best US standard unit in which to measure stock with a volume of 1.5 L would be pints (pt).

⇒ 1 L ≈ 2.133 pt

⇒ 1.5 L ≈ 1.5 × 2.113 = 3.17 pt

3. The best US standard unit in which to measure sugar of 5 mL would be teaspoon (tsp).

⇒ 5 mL = 5 g ≈ 1 teaspoon

4.  The best US standard unit in which to measure yogurt with a volume of 0.25 L would be cups (c).

⇒ 1 L ≈ 4.167 c

⇒ 0.25 L ≈ 0.25 × 4.167 =  1.04 c

5 0
10 months ago
Read 2 more answers
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