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valentinak56 [21]
3 years ago
11

Help me please, but dont answer if you dont know it

Mathematics
2 answers:
pav-90 [236]3 years ago
5 0

Answer:

400

Step-by-step explanation:

Multiply each side 2x , add it up and you'll have 400

monitta3 years ago
3 0

Answer:

92400m

Step-by-step explanation:

<em>Find the volume of the two rectangles.</em>

Volume of a rectangle: length*width*height

The first, larger rectangle: 64*60*28=107520m

The second, smaller rectangle: 18*30*28=15120m

<em>Subtract the two rectangles' volumes for the building's total volume.</em>

107520-15120=92400m

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What is (99/100)^101 times (100/99)^100?
sineoko [7]

Answer:

99/100

Step-by-step explanation:

First of all recall that

a^n\cdot b^n =(ab)^n

Now we we will try to apply that formula for a=99/100 and b=100/99.

First rewrite (99/100)^{101}=(99/100)\times (99/100)^{100}

Now

(99/100)\times (99/100)^{100}\times (100/99)^{100}\\=(99/100)\times ((99/100)\times (100/99))^{100}\\=(99/100)\times 1^{100}\\=(99/100)\times 1\\=99/100

7 0
3 years ago
Convert the length of 7 centimeters to meters. Compare the numerical values when both numbers are written in scientific notation
Pie
I think you did correct.
8 0
2 years ago
13 liter is approximately how many gallons rounded to the nearest tenth
andrey2020 [161]
A liter is 0.264 gallons so 13 * 0.264 = 3.432 and round it up it is 3.4
5 0
3 years ago
Read 2 more answers
It takes Natalie five hours to tar a roof. Imani can tar the same roof in ten hours. How long would it take them if they worked
tresset_1 [31]

Answer:

C. 3.33 hours

Step-by-step explanation:

Use the algebra work equation:

\frac{1}{tb} = \frac{1}{t1} + \frac{1}{t2}, where tb is the time to work together, t1 is the time it takes one person, and t2 is the time it takes the other person

Plug in the values we know:

\frac{1}{tb} = \frac{1}{5} + \frac{1}{10}

\frac{1}{tb} = \frac{4}{20} + \frac{2}{20}

\frac{1}{tb} = \frac{6}{20}

20 = 6tb

3.33 = tb

So, it would take them 3.33 hours when working together.

5 0
3 years ago
In 3 and 4, Classify each triangle by its sides and then by its angles
romanna [79]

Answer:

3. Sides: Equilateral

Angles: Acute

4. Sides: Isosceles

Angles: Right

Step-by-step explanation:

3. Sides: Equilateral because in an equilateral triangle all sides are equal.

Angles: Acute because in an acute triangle all angles are acute.

4. Sides: Isosceles because in an isosceles triangle two legs are equal.

Angles: Right because in a right triangle, one angle is right.

7 0
3 years ago
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