3 years ago

HELP PLEASEEEEEE NO LINKS PLEASE 20PTS!!!!

Mathematics

1 answer:

nevsk [136]3 years ago

5 0

Answer:

$x = 5$

Step-by-step explanation:

$3x + 11 = 26$

$3x = 15$

$x = 5$

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To practice for a competition, Kate swam 710 meters in the pool each day for 3 weeks. How many kilometers did Kate swim in those

gayaneshka [121]

Answer:

14910 meters

Step-by-step explanation:

3 weeks= 21 days

each day= 710 m

21 days= 710*21

21 days= 14910 m

8 0

2 years ago

√144² = √9 + √16 = √9 + √16 × √400 =

Morgarella [4.7K]

Answer:

Step-by-step explanation

√144²

12²

144

√9 + √16

3 + 4

√9 + √16 × √400 =

3 + 2^{4} x 5

3 + 80

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3 years ago

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weqwewe [10]

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3 years ago

-(3-10y) simplify expression pls

Diano4ka-milaya [45]

Answer:

-3+10y

Step-by-step explanation:

Distribute the Negative.

6 0

3 years ago

Read 2 more answers

Y is a differentiable function of x. Choose the alternative that is the derivative dy / dx.

murzikaleks [220]

Differentiating both sides of

$x^3-y^3=1$

with respect to x yields (using the chain rule)

$3x^2 - 3y^2 \dfrac{\mathrm dy}{\mathrm dx} = 0$

Solve for dy/dx :

$3x^2 - 3y^2 \dfrac{\mathrm dy}{\mathrm dx} = 0 \\\\ 3y^2\dfrac{\mathrm dy}{\mathrm dx} = 3x^2 \\\\ \dfrac{\mathrm dy}{\mathrm dx} = \dfrac{3x^2}{3y^2} = \dfrac{x^2}{y^2}$

The answer is then D.

3 0

2 years ago