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il63 [147K]
2 years ago
6

Am I doing something wrong????

Mathematics
2 answers:
ser-zykov [4K]2 years ago
7 0
Same thing is happening to me!
Colt1911 [192]2 years ago
5 0

Answer:

Step-by-step explanation:

yes this happens most of the time, because you know there are some malicious people trying to make you click into some publicity or virus.

and sometimes there's people that want to help but CAN'T because the question gets locked as "ANSWERED" we cant do anything but wait.

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Can someone please help me?
VikaD [51]

Answer:

The answer is 27

Step-by-step explanation:

The reason being, you can solve this 2 ways.

1) Combine like terms, 7a-4a = 3a.

Now just substitute (a=9) into 3a.

3 * (9) = 27.

2) Or just substitute a = 9 into the original expression.

7 * (9) - 4 * (9)

= 63 - 36 = 27

4 0
3 years ago
Read 2 more answers
At the fair, 220 balloons are given to 40 children, 3/8 of whom are girls. Each boy receives the same number of balloons. Each g
mixer [17]

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Methane(CH4)
Ethane(C2H6)
Propane(C3H8)
Butane(C4H10)
Pentane(C5H12)
Hexane(C6H14)
Jul 3, 2018
http://www.gcesystems.com › what-...
5 0
2 years ago
What is the perimeter of the triangle shown on the coordinate plane, to the nearest tenth of a unit?
Akimi4 [234]

Answer:

25.6 units

Step-by-step explanation: From the figure we can infer that our triangle has vertices A = (-5, 4), B = (1, 4), and C = (3, -4).

First thing we are doing is find the lengths of AB, BC, and AC using the distance formula:

d=\sqrt{(x_2-x_1)^{2} +(y_2-y_1)^{2}}

where

(x_1,y_1) are the coordinates of the first point

(x_2,y_2) are the coordinates of the second point

- For AB:

d=\sqrt{[1-(-5)]^{2}+(4-4)^2}

d=\sqrt{(1+5)^{2}+(0)^2}

d=\sqrt{(6)^{2}}

d=6

- For BC:

d=\sqrt{(3-1)^{2} +(-4-4)^{2}}

d=\sqrt{(2)^{2} +(-8)^{2}}

d=\sqrt{4+64}

d=\sqrt{68}

d=8.24

- For AC:

d=\sqrt{[3-(-5)]^{2} +(-4-4)^{2}}

d=\sqrt{(3+5)^{2} +(-8)^{2}}

d=\sqrt{(8)^{2} +64}

d=\sqrt{64+64}

d=\sqrt{128}

d=11.31

Next, now that we have our lengths, we can add them to find the perimeter of our triangle:

p=AB+BC+AC

p=6+8.24+11.31

p=25.55

p=25.6

We can conclude that the perimeter of the triangle shown in the figure is 25.6 units.

Read more on Brainly.com - brainly.com/question/12560433#readmore

8 0
3 years ago
A triangle with base 6. and height 3 in. Whats the answer and please show work
motikmotik
How you find the area of a triangle is base × height ÷ 2. So the equation would be 6×3=18 18÷2=9, so the answer is 9. Hope this helped!
4 0
3 years ago
Read 2 more answers
Write equivalent fractions for 3^3 bottom 4 and 1^2 bottom 3
Rufina [12.5K]

\tt \dfrac{3^3}{4}=\dfrac{27}{4}\\\\\dfrac{1^2}{3}=\dfrac{1}{3}

5 0
2 years ago
Read 2 more answers
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