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3 years ago

Find 2/3 of 18. Draw a set and shade to show your thinking.

Mathematics

1 answer:

ioda3 years ago

8 0

Answer:

$\text{2/3 of 18}=12$

Step-by-step explanation:

We are asked to find 2/3 of 18.

To find 2/3 of 18, we will multiply both quantities as:

$\text{2/3 of 18}=\frac{2}{3}\times 18$

$\text{2/3 of 18}=2\times 6$

$\text{2/3 of 18}=12$

Therefore, 2/3 of 18 is equal to 12.

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100 x 77 + 72 ÷ 4 = ? (RIGHT ANSWER GETS BRAINLIEST)

icang [17]

Step-by-step explanation:

100*77+72/4

100*77+18

7700+18

7718

8 0

3 years ago

Read 2 more answers

When you forget to add the attachment,, r.i.p. ,, what I said before and all that

kati45 [8]

a.
h = 2c - 3

b.
3h + 1.5c = 201

c.
We have a system of equations from part a and b.
h = 2c - 3 (equation 1)
3h + 1.5c = 201 (equation 2)

We use substitution method to solve this system.
Substitute equation 1 in equation 2 to get
3h + 1.5c = 201
>> 3(2c - 3) + 1.5c = 201
>> 6c - 9 + 1.5c = 201
>> 7.5c = 201 + 9
>> 7.5c = 210
>> c = 210 / 7.5
>> c = 28

Plug this value back in equation 1 to get
h = 2c - 3
>> h = 2(28) - 3 = 56 - 3 = 53

So, c = 28 and h = 53 implies that <u>28 corndogs</u> and 53 hotdogs were sold.

3 0

3 years ago

Which kind of triangle os shown? Iready quiz level D

qwelly [4]

Answer:

isosceles triangle

Step-by-step explanation:

because both sides are congruent

4 0

3 years ago

Read 2 more answers

Will give brainliest! pts to the correct answer! Are quadratic equations already in rectangular form? I'm asked to eliminate th

Semmy [17]

$\bf x(t)=0.5t^2+0.4t-87.30\implies x(t)=\cfrac{1}{2}t^2+\cfrac{2}{5}t-\cfrac{873}{10}
\\\\\\
x=\cfrac{1}{2}\left( t^2+\cfrac{4}{5}t+\boxed{?}^2 \right)-\cfrac{873}{10}$

so, as you already know, we'll borrow from our good friend Mr Zero, 0, to get that missing value for the perfect square trinomial,

$\bf x=\cfrac{1}{2}\left[ t^2+\cfrac{4}{5}t+\left( \cfrac{2}{5} \right)^2-\left( \cfrac{2}{5} \right)^2 \right]-\cfrac{873}{10}
\\\\\\
x=\cfrac{1}{2}\left[t^2+\cfrac{4}{5}t+\cfrac{4}{25}-\cfrac{4}{25} \right]-\cfrac{873}{10}
\\\\\\
x=\cfrac{1}{2}\left[t^2+\cfrac{4}{5}t+\left( \cfrac{2}{5} \right)^2\right]-\cfrac{2}{25}-\cfrac{873}{10}
\\\\\\
x=\cfrac{1}{2}\left[t^2+\cfrac{4}{5}t+\left( \cfrac{2}{5} \right)^2\right]-\cfrac{4369}{50}$

$\bf x=\cfrac{1}{2}\left( t+\frac{2}{5} \right)^2-\cfrac{4369}{50}\implies x+\cfrac{4369}{50}=\cfrac{1}{2}\left( t+\frac{2}{5} \right)^2
\\\\\\
2x+\cfrac{4369}{25}=\left( t+\frac{2}{5} \right)^2\implies \sqrt{2x+\cfrac{4369}{25}}=t+\cfrac{2}{5}
\\\\\\
\sqrt{2x+\cfrac{4369}{25}}-\cfrac{2}{5}=t$

$\bf -------------------------------\\\\
y(t)=0.4t^2+0.1t+29.44\implies y=\cfrac{2}{5}t^2+\cfrac{1}{10}t+\cfrac{736}{25}
\\\\\\
y=\cfrac{2}{5}\left( \sqrt{2x+\cfrac{4369}{25}}-\cfrac{2}{5} \right)^2+\cfrac{1}{10}\left( \sqrt{2x+\cfrac{4369}{25}}-\cfrac{2}{5} \right)+\cfrac{736}{25}$

4 0

3 years ago

What is the coordinate of P and K? And which point is between the other two points?

Vaselesa [24]

Between point: K
P: -15
K: -19

You drew the points backwards

8 0

3 years ago