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Katyanochek1 [597]
3 years ago
15

What is the answer. please help

Mathematics
1 answer:
LuckyWell [14K]3 years ago
6 0

Answer:

I really can't see it

Step-by-step explanation:

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Nicole bought a meal in town that has no sale tax .she tips 20%
Ilia_Sergeevich [38]
$20.00. I don't really understand your question but 20% of 100 is 20.
5 0
3 years ago
Terry rectangular yard is 15 meters by 18 meters Todd's rectangular yard is 20 meters by 9 meters how much greater is the area o
mariarad [96]

Answer:

Terry's yard is greater than Todd's yard by 90 square meters.

Step-by-step explanation:

We are given the following in the question:

Terry's yard dimensions:

Length,l = 18 meters

Width,w = 15 meters

Area of Terry's yard =

A = l\times w\\A = 18\times 15\\A=270\text{ square meters}

Todd's yard dimensions:

Length,l = 20 meters

Width,w = 9 meters

Area of Todd's yard =

A = l\times w\\A = 20\times 9\\A=180\text{ square meters}

Thus, Terry's yard is greater than Todd's yard.

Difference in area of yards

= Terry's yard area - Todd's yard area

=270-180\\=90\text{ squarde meters}

Thus, Terry's yard is greater than Todd's yard by 90 square meters.

8 0
3 years ago
Hello! Could someone help me with integral, please?
Oksana_A [137]

\displaystyle \int \ln(x)dx\implies \int 1\cdot \ln(x)dx \\\\[-0.35em] ~\dotfill\\\\ \displaystyle u=\ln(x)\implies \cfrac{du}{dx}=\cfrac{1}{x}\hspace{5em}v=\int 1\cdot dx\implies v=x \\\\[-0.35em] ~\dotfill\\\\ \displaystyle \int \ln(x)dx\implies x\ln(x)-\int\cfrac{1}{x}\cdot x\implies x\ln(x)-x+C \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \left. \cfrac{}{}x\ln(x)-x \right]_{2}^{8}\implies [8\ln(8)-8] -[2\ln(2)-2]\implies 8\ln(8)-2\ln(2)-6

6 0
1 year ago
Read 2 more answers
Use the equation r = d - 1 to find the value of r when d = 3.
natta225 [31]

Answer:

r = d - 1 \\ d = 3 \\ r = (3) - 1 \\ r = 2

8 0
3 years ago
In the diagram at the right, sides SV and RW are parallel. Explain why RTW is similar to STV.​
blsea [12.9K]

Answer:

Similar Triangles must have matching angles, so you need to prove the angles all match.

Step-by-step explanation:

1.

Angle RTW = Angle STV becasue it's the same angle.

2.

Because ST is parallel to RW and RT cuts through those two parallel lines, you have

Angle TSV = Angle TRW because they are corresponding angles.

3.

Because ST is parallel to RW and TW cuts through those two parallel lines, you have

Angle TVS = Angle TWR because they are corresponding angles.

So now you know the three angles in each triangle match the three angles in the other triangle.  They're similar triangles.

5 0
3 years ago
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