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a_sh-v [17]
4 years ago
11

CAN SOMEONE HELP WITH THIS ASAP!!!

Mathematics
1 answer:
jek_recluse [69]4 years ago
6 0

Answer: x=8

Step-by-step explanation:

Since we are given that ∠ABC and ∠DBC are complementary angles, we know that adding them together should give us 90°. We can use this to solve for x.

6x+13+4x-3=90         [combine like terms]

10x+10=90                 [subtract both sides by 10]

10x=80                       [divide both sides by 10]

x=8

Now, we know that x=8.

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I
Schach [20]

Answer:

Step-by-step explanation:

Let's say I = amount of water Idalie drank,

A = amount of water Adamaris drank

J = amount of water Jonathan drank.

We are told Idalie drank twice as much water as Adamaris. You can write it as:

Idalie = 2 times Adamaris

I = 2A

Then we are told Jonathan drank 100ml more than Idalie. So

Jonathan = 100 + Idalie

J = 100 + I  (and we know I = 2A)

J = 100 + 2A

Between them they drank 3 liters (3L = 3000ml) of water.

Idalie + Adalie + Jonathan = 3000

I + A + J = 300

So since we know I = 2A and J = 100 + 2A, we can put it into the equation above:

2A + A + 100 + 2A = 3000

Gather the like terms and you get:

5A + 100 = 3000

Subtract 100 from both sides.

5A = 3000 - 100 = 2900

To find A, divide both sides by 5

A = 2900/5 = 580

This means Adamaris drank 580ml of water

3 0
3 years ago
Please help with these 2 questions!!
adell [148]
Hey there,

Question : <span>Steven had 24 pineapples. He sold 6 of them. What fraction of the pineapples did he sell? 

Answer : 
6 / 24 ----> divide by 6
            = 1 / 4 (simplified version)

Question : </span><span>Nancy bought 8 m of string. She used 5/8 of string to make a flower pot hanger. How much of the string did she have left? 

Answer : 
8 - 5 / 8 = 7 3 / 8

Hope this helps :))

<em>~Top♥</em>
</span>
5 0
3 years ago
Read 2 more answers
What is the y intercept of the graph of g(x)=(x+1)(x-2)(x+5)
Ymorist [56]

Answer:

The y intercept is -10

Step-by-step explanation:

Given

g(x)=(x+1)(x-2)(x+5)

Required

The y intercept

To calculate the y intercept, we set x = 0

So, we have:

g(x)=(x+1)(x-2)(x+5)

g(0)=(0+1)(0-2)(0+5)

g(0)=(1)(-2)(5)

g(0)=-10

4 0
3 years ago
What is the ratio of the area of ABC to the area of ABD?
Bas_tet [7]
Area ABD = 16*12/2 
area ABC = 9*12/2
------------------------------
so the ratio of the area ABC to the area of ABD = (9*12/2)/(16*12/2) =

= 9/16 

hope helped 
8 0
4 years ago
a cube with a volume of 64 cubic meters is scaled by a factor of 5, what is the volume of this modified cube in cubic meters?
IceJOKER [234]

Answer:

8000 m^3.

Step-by-step explanation:

Volume of cube: 64 m^3

Let's say x is the sides of cube.

Volume: x^3= 64

Length is scaled up by a factor of 5.

Side of the cube will be 5x.

New volume would be: (5x)^3 = 125 x 64 = 8000 m^3

Hope this helps & good luck.

4 0
3 years ago
Read 2 more answers
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