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ratelena [41]
2 years ago
8

A city has 5 new houses for every 9 old houses. If there are 35 new houses in the city, how many old houses are there?

Mathematics
1 answer:
Blababa [14]2 years ago
3 0

Answer:

20 I guess

Step-by-step explanation:

because maybe 1 is 9

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The triangle shown below has an area of 20 units squared. Find the missing side if the height is 8
Anuta_ua [19.1K]

Answer:

<h3>5 units </h3>

Step-by-step explanation:

Lets keep the missing side as x

And we also know that the area of Triangle is,

\frac{1}{2} bh

So taking this into consideration we can write a linear equation like this,

\frac{1}{2} bh = 20

Where height is 8,

\frac{1}{2}  \times b \times 8 = 20 \\ 4 \times b = 20 \\ b =  \frac{20}{4}  \\ b = 5

So therefore the missing side is 5

7 0
3 years ago
Read 2 more answers
Anastasia works at the local museum and has been tracking museum attendance. On Thursday, she counts 220 museum visitors under t
Lubov Fominskaja [6]

Answer:

The total number of visitors on Thursday was 400.

Step-by-step explanation:

So, we know that there were 220 visitors who were under the age of 12, and that the amount of visitors under the age of 12 was 55% of the total number of visitors. This means that 220 was 55% of the number of visitors. To find the total number of visitors, we divide the number of visitors under the age of 12 (220) by 0.55 (55%).

220/0.55 = 400

The total number of visitors on Thursday was 400.

I hope you find my answer helpful. :)

6 0
3 years ago
I have 11 hundreds 4 tens 8 ones 6 tenths and 1 hundredths, what number am I
Lostsunrise [7]
1148.61 because 11 hundreds is 1100, 4 tens is 40, 8 ones is 8, 6 tenths and 1 hundretdth together make .61 so in total its 1148.61
5 0
3 years ago
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What is the square root of -225
NemiM [27]

Answer:

15i

Step-by-step explanation:

since 15 x 15 is 225, the imaginary number comes into play here. i x i = -1, so 15i x 15i = -225

8 0
3 years ago
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3. Solve the inequality –2(z + 5) + 20 &gt; 6.
12345 [234]

\boxed{-2\left(z+5\right)+20>6\quad :\quad \begin{bmatrix}\mathrm{Solution:}\:&\:z

<em><u>Solution:</u></em>

<em><u>Given inequality is:</u></em>

-2(z+5)+20>6

We have to solve the given inequality

-2\left(z+5\right)+20>6\\\\\mathrm{Subtract\:}20\mathrm{\:from\:both\:sides}\\\\-2\left(z+5\right)+20-20>6-20\\\\\mathrm{Simplify}\\\\-2\left(z+5\right)>-14

Multiply\ both\ sides\ by\ -1\ \left(reverse\:the\:inequality\right)

Whenever we multiply or divide an inequality by a negative number, we must flip the inequality sign

\left(-2\left(z+5\right)\right)\left(-1\right)

<em><u>Thus the solution to inequality is:</u></em>

-2\left(z+5\right)+20>6\quad :\quad \begin{bmatrix}\mathrm{Solution:}\:&\:z

4 0
3 years ago
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