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2 years ago

3. (6a? - 8a +9) + (5a3 – 12a? - 1)

Mathematics

1 answer:

irina1246 [14]2 years ago

3 0

Answer:

Simplify the expression 3: 5 a ^3 − 6 a ? − 8 a + 8

Simplify the expression 4: 10 y ^2 − 11 y − 25

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42+30=[BLANK](7+5)<br> 20 POINTS!!

qaws [65]

Answer:

42+30=72

7+5=12

72-12=60

Blank=60

Step-by-step explanation:

4 0

3 years ago

If theperimeter of the triangle ABC is 23, find the length of each side.

aalyn [17]

You can't.
There isn't enough evidence/proof to prove the length of each side.<span />

6 0

3 years ago

What is the area of this figure? Drag and drop the appropriate number into the box. A = cm² 108 135 189 318 A shape made up of a

Lyrx [107]

The square will have area
.. (9 cm)^2 = 81 cm^2.

The two triangles together will have area
.. (9 cm)*(12 cm) = 108 cm^2.

The sum of the areas of those three shapes is
.. 81 cm^2 +108 cm^2 = 189 cm^2

8 0

3 years ago

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What is the answer? Please help. Urgent.

MArishka [77]

Given:

A figure that contains a right triangular prism and cuboid.

To find:

The volume of the figure.

Solution:

The dimensions of cuboid are 16 in, 7 in and 3 in.

So, the volume of the cuboid is:

$V_1=Length\times Width \times height$

$V_1=16\times 7 \times 3$

$V_1=336$

The base of the prism is a right angle with base 3 in and height 5 in, and the length of the prism is 6 in. So, the base are of the prism is

$B=\dfrac{1}{2}\times Base\times Height$

$B=\dfrac{1}{2}\times 3\times 5$

$B=7.5$

The volume of a prism is:

$V_2=Bh$

Where, B is the base area and h is the height of the prism.

$V_2=(7.5)(6)$

$V_2=45$

The volume of combined figure is:

$V=V_1+V_2$

$V=336+45$

$V=381$

Therefore, the volume of the figure is 381 cubic in.

7 0

2 years ago

20 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

polet [3.4K]

Answer:

Y = A/X

Step-by-step explanation:

divide x from xy, balance the equation by dividing x from a.

8 0

3 years ago

Read 2 more answers