3 years ago

How can you solve equation with squares and cube

Mathematics

1 answer:

saveliy_v [14]3 years ago

3 0

You can solve an equation by using ten blocks

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Find the solution of the inequality

Salsk061 [2.6K]

Answer:

option D

x≥3

Step-by-step explanation:

Given in the question an inequality

−4x + 2 ≤ −10

rearrange x terms to the left and constant to the right

-4x ≤ −10 - 2

-4x ≤ -12

cancel - on both sides, due to sign change inequality will also be change

4x ≥ 12

x ≥ 12/4

x ≥ 3

So, the solution of the inequality is x ≥ 3, x is greater than or equal to 3.

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3 years ago

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3x2 + 5x - 7(x2 + 4)

goldenfox [79]

Answer:

-4x^2+5x-28

Step-by-step explanation:

Expand -7(x^2 +4) = 3x^2+5x-7x^2-28

Simplify 3x^2+5x-7x^2-28 = -4x^2+5x-28

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3 years ago

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Which relations represent functions?

Alenkinab [10]

I’m pretty sure the anser is b

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3 years ago

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you roll a six sided number cube and flip a coin what is the probability of rolling a number greater than 5 and flipping heads?

Whitepunk [10]

Answer:

0.08333... or 8.333...%

Step-by-step explanation:

1/6 * 1/2 = 1/12

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3 years ago

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O<br> Decrease 40 by ratio of 4:5

Reika [66]

A decrease in the ratio 4:5 implies that :

New quantity:Old quantity = 4:5

Let the new quantity be $\bf \: x$

$\bf∴ x : 40 = 4:5$

$= > \bf \frac{x}{40} = \frac{4}{5}$

$\bf = > 40 \times \frac{x}{40} = 40 \times \frac{4}{5}$

$\bf = > x = 8 \times 4$

$\bf = > x = 32$

So, the new quantity is 32

4 0

3 years ago