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kykrilka [37]
2 years ago
13

10d - 6d = 4 find what d equals

Mathematics
2 answers:
nevsk [136]2 years ago
8 0

Answer:

  • d = 1

Step-by-step explanation:

  • 10d - 6d = 4
  • 4d = 4
  • d = 4/4
  • d = 1
Nutka1998 [239]2 years ago
5 0

Answer:

\huge\boxed{\sf d = 1}

Step-by-step explanation:

10d - 6d = 4

Take d common

d (10 - 6) = 4

d (4) = 4

4d = 4

Divide both sides by 4

d = 1

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
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If f(x)=3x+2,find f(f^-1(14)).
lisov135 [29]

Answer:  14

<u>Step-by-step explanation:</u>

f(x) = 3x + 2

To find f⁻¹, swap the x's and y's and solve for y --> Note: f(x) is y

x = 3y + 2

x - 2 = 3y

\dfrac{x-2}{3}=y

\implies f^{-1}(x)=\dfrac{x-2}{3}

\implies f^{-1}(14)=\dfrac{14-2}{3}

\implies f^{-1}(14)=\dfrac{12}{3}

\implies f^{-1}(14)=4

f(f⁻¹(14)) = f(4)

              f(4) = 3(4) + 2

                     = 12 + 2

                     = 14

NOTE: the simplified version is .... f and f⁻¹ cancel out, leaving you with 14

4 0
3 years ago
What is the volume of a sphere with radius of 16 inches?
matrenka [14]
Volume =
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The answer is the first option.

Hope this helps. - M
8 0
3 years ago
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Laden bought 10 bags of small marbles and 8 bags of large marbles.There were 12 marbles in each bag.How many Marbles did Karen b
mihalych1998 [28]

Answer:

216 marbles bought altogether

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large m- 8

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6 0
3 years ago
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PLEASE HELP! Which ordered pairs are solutions to the inequality y-4x (greater than or equal to) -5? Select each correct answer
Wittaler [7]

(-2, 1), (-4, 2) and (1, -1) are solutions to given inequality y-4x (greater than or equal to) -5

<u>Solution:</u>

Given, inequality is y – 4x ≥ - 5

We have to find the correct answers from given options

<em><u>We have to check option by option. </u></em>

Now, (-2, 1) ⇒ 1 – 4(-2) ≥ - 5 ⇒ 1 + 8 ≥ -5 ⇒ 9 ≥ -5 ⇒ correct answer.

Now, (-4, 2) ⇒ 2 – 4(-4) ≥ -5 ⇒ 2 + 16 ≥ - 5 ⇒ 18 ≥ - 5 ⇒ correct answer

Now, (1, -1) ⇒ -1 – 4(1) ≥ - 5 ⇒ -1 – 4 ≥ - 5 ⇒ -5 ≥ -5 ⇒ correct answer

Now, (4, 0) ⇒ 0 – 4(4) ≥ - 5 ⇒ -16 ≥ -5 ⇒ wrong answer

Now, (5, -2) ⇒ -2 – 4(5) ≥ - 5 ⇒ -2 – 20 ≥ -5 ⇒ -22 ≥ -5 ⇒ wrong answer

Hence, (-2, 1), (-4, 2) and (1, -1) are solutions to given inequality.

8 0
2 years ago
What number is 35% of 600
emmainna [20.7K]
35% of 600 = .35 x 600 = 210

4 0
3 years ago
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