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2 years ago

Solve the equation z³=27

Mathematics

2 answers:

Sidana [21]2 years ago

8 0

Answer:

z=27^(1/3)=3

check:3x3x3=27

Step-by-step explanation:

Elis [28]2 years ago

4 0

Answer:

z=3

Step-by-step explanation:

$3^{3}$ =27

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Divide £72 into the ratio 4 : 5.

algol13

Answer:

£32 : £40

Step-by-step explanation:

sum the parts of the ratio, 4 + 5 = 9 parts

Divide the amount by 9 to find the value of one part of the ratio

£72 ÷ 9 = £8 ← value of 1 part of the ratio, then

4 parts = 4 × £8 = £32

5 parts = 5 × £8 = £40

Then

£72 in the ratio 4 : 5 is £32 : £40

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2 years ago

Martia orders 12yd of material to make banners. If she needs 1 foot of fabric for each banner, how many banners can she make?

SOVA2 [1]

You can make 36 banners. there are 3 feet in 1 yard so if you multiply 12 and 3 you get 36

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3 years ago

Write an equation in point-slope form of the line that passes through (-4,1) and (4,3).

Step2247 [10]

Answer:

An equation in point-slope form of the line that passes through (-4,1) and (4,3) will be:

$y-1=\frac{1}{4}\left(x+4\right)$

Step-by-step explanation:

Given the points

(-4,1)

(4,3)

Finding the slope between the points (-4,1) and (4,3)

$\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}$

$\left(x_1,\:y_1\right)=\left(-4,\:1\right),\:\left(x_2,\:y_2\right)=\left(4,\:3\right)$

$m=\frac{3-1}{4-\left(-4\right)}$

Refine

$m=\frac{1}{4}$

Point slope form:

$y-y_1=m\left(x-x_1\right)$

where

m is the slope of the line

(x₁, y₁) is the point

in our case,

m = 1/4

(x₁, y₁) = (-4,1)

substituting the values m = 1/4 and the point (-4,1) in the point slope form of line equation.

$y-y_1=m\left(x-x_1\right)$

$y-1=\frac{1}{4}\left(x-\left(-4\right)\right)$

$y-1=\frac{1}{4}\left(x+4\right)$

Thus, an equation in point-slope form of the line that passes through (-4,1) and (4,3) will be:

$y-1=\frac{1}{4}\left(x+4\right)$

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2 years ago

3/7 divide 2/9 explain pls

lubasha [3.4K]

Answer:

27/14

Step-by-step explanation:

to divide by a fraction flip the fraction over and multiply

3/7 divided by 2/9

flip 2/9

3/7 times 9/2

just multiply the top and bottoms by each other

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Answer:

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Step-by-step explanation:

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