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3 years ago

14

PLS HELP ! THANK YOU Will mark Brainliest

2 answers:

Tju [1.3M]3 years ago

5 0

Answer:

I think. . . sphere? SO SORRY IF IM WRONG!!

Step-by-step explanation:

ololo11 [35]3 years ago

4 0

The cylinder and sphere !!!!

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y+7= -2/5 (x-10) What is the standard form of the equation for this line?

sveticcg [70]

The standard form of the equation of a line:

$Ax+By=C$

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$y+7=-\dfrac{2}{5}(x-10)\qquad|\text{use distributive property}\\\\y+7=-\dfrac{2}{5}x+\left(-\dfrac{2}{5}\right)(-10)\\\\y+7=-\dfrac{2}{5}x+2\cdot2\\\\y+7=-\dfrac{2}{5}x+4\qquad|\text{multiply both sides by 5}\\\\5y+35=-2x+20\qquad|\text{add 2x to both sides}\\\\2x+5y+35=20\qquad|\text{subtract 35 from both sides}\\\\2x+5y=-15$

3 0

3 years ago

A mineral contains only a metal M and fluorine. If analysis indicates that a sample of the mineral contains 1.38 g of M and 0.71

Varvara68 [4.7K]

Answer:

F=121.61 gr,

Step-by-step explanation:

we see that it is a problem of proportion, so then if the total mass of the sample is the sum of M plus fluorine

the sample weighs 1.38gr M + 0.71gr F = 2.09, where M y F represent :

M=1.38*100/2.09 = 66.02% and

F=0.71*100/2.09 = 33.97%, also

in 358 gr. * 0.3397F = 121.61 gr F

4 0

3 years ago

Read 2 more answers

X^2+4x+4=12 find the solutions to the equation

Fed [463]

Step-by-step explanation:

X^2 +4X +4=12 subtract the 12 from both sides

X^2 +4x-8= 0

now factor if possible since this equation is not factorable you can use the quadratic formula

3 0

2 years ago

3(x+5)= 30 divided by 5

harina [27]

Answer:

x=-3

Step-by-step explanation:

I have a formula

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3 years ago

What fraction is equivalent to 2/5

Semenov [28]

Answer:

4/10

Step-by-step explanation:

8 0

4 years ago