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Pachacha [2.7K]

3 years ago

6

What is 2tens 1one × 10 in a unit form

1 answer:

olga55 [171]3 years ago

3 0

2 tens is 20 1 one is 1
so 21 times 10 is 210

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All students in Ridgewood Junior High School either get their lunch in the school

Nat2105 [25]

Answer:

410 students attend Ridgewood Junior High.

Step-by-step explanation:

To solve your equation, you have to divide 41 by 10%. This will give you your answer of 410, or the total. Have a good day!

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A parabola is given by the equation y2 = -24x. The equation of the directrix of the parabola is

LiRa [457]

<span>Find the focus and directrix of the parabola with the given equation. Then graph the parabola.
y^=-12x
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y^2=-12x
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7 0

3 years ago

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If the diffrence in the side lenghts of two squares is 10,and the sum of the side lenghts is 18, what are the side lengths

konstantin123 [22]

Answer:

The side of first square =14 units

side of second square =4 units

Step-by-step explanation:

We have given two squares,

A square have all its four sides equal and at right angles.

Let the side of first square be 'a'

and the side of second square be 'b'

Given:

$a-b=10$ equation:1

$a+b=18$ equation:2

Solving equation:1

a=10+b equation:3

Putting 'a' in equation:2

$(10+b)+b=18\\\\2b=18-10\\\\2b=8\\\\b=4$

Putting 'b' in equation:3

$a=10+4\\\\a=14$

So, the side of first square is 14 units and

side of second square is 4 units

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3 years ago

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Answer:

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Step-by-step explanation:

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Which is the solution set of the inequality<br> -15y+9<-36

liraira [26]

Answer:

$-15y+93\:\\ \:\mathrm{Interval\:Notation:}&\:\left(3,\:\infty \:\right)\end{bmatrix}$

Therefore, the first choice is correct.

The graph of the inequality is also attached below.

Step-by-step explanation:

Considering the inequality

$-15y+9$

solving

$-15y+9$

$\mathrm{Subtract\:}9\mathrm{\:from\:both\:sides}$

$-15y+9-9$

$-15y$

$\mathrm{Multiply\:both\:sides\:by\:-1\:\left(reverse\:the\:inequality\right)}$

$\left(-15y\right)\left(-1\right)>\left(-45\right)\left(-1\right)$

$15y>45$

$\mathrm{Divide\:both\:sides\:by\:}15$

$\frac{15y}{15}>\frac{45}{15}$

$y>3$

In other words,

$-15y+93\:\\ \:\mathrm{Interval\:Notation:}&\:\left(3,\:\infty \:\right)\end{bmatrix}$

Therefore, the first choice is correct.

The graph of the inequality is also attached below.

6 0

3 years ago