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choli [55]
3 years ago
9

PLEASE HELP IM TAKING A TEST

Mathematics
1 answer:
MaRussiya [10]3 years ago
3 0

Answer:

4.5 area

Step-by-step explanation:

using the equation, a=1/2bh

you plug in the base in b and height in h,

height is 4mi, base is 4.5/2, 2.25,

plug it all in leaving you with 4.5

Hope this helped, brainliest?

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HELP Please!!! <br> Show your work.
Doss [256]
The answer is 10. If you replace the number letters with the numbers you get 6 + 10 / 2 - 1. Then you follow PEMDAS, so first divide 10 with 2 to get five (6 + 5 - 1). Add 6 and 5 to get 11 and subtract 1 to get the final answer of 10.
7 0
3 years ago
Read 2 more answers
I used to be able to know how to do this, but apparently not.
VARVARA [1.3K]
Well, in order to know this answer you have to first multiply 10x10. After you have that answer you will multiply 1.653. The product of that will be your answer.
6 0
3 years ago
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HELPPHELPPPPP HELLPP PLEASEEE
Lilit [14]

Answer:

The answers of all four questions are below.

Step-by-step explanation:

(5)4+2x=−2x+44

Step 1: Simplify both sides of the equation.

2x+4=−2x+44

Step 2: Add 2x to both sides.

2x+4+2x=−2x+44+2x

4x+4=44

Step 3: Subtract 4 from both sides.

4x+4−4=44−4

4x=40

Step 4: Divide both sides by 4.

4x/4=40/4

x=10

-----------------------------------------------------------------------------------------------------------------

(6)114−3x=194−11x

Step 1: Simplify both sides of the equation.

114−3x=194−11x

114+−3x=194+−11x

−3x+114=−11x+194

Step 2: Add 11x to both sides.

−3x+114+11x=−11x+194+11x

8x+114=194

Step 3: Subtract 114 from both sides.

8x+114−114=194−114

8x=80

Step 4: Divide both sides by 8.

8x/8 = 80/8

x=10

------------------------------------------------------------------------------------------------------

(7)4x-12=-2x+36

4x-12+12=-2x+36+12

4x=-2x+48

4x+2x=-2x+48+2x

6x=48

6x/6=48/6

x=8

-----------------------------------------------------------------------------------------------------------

(9)-3x+90=117-12x

-3x+90-90=117-12x-90

-3x=-12x+27

-3x+12x=-12x+27+12x

9x=27

9x/9=27/9

x=3

-------------------------------------------------------------------------------------------------------

Oh, and a tip if your having trouble with algebraic expressions I recommend  you use mathpapa and symbolab when I was learning expressions this really helped me.  Have a great day.

5 0
3 years ago
<img src="https://tex.z-dn.net/?f=%28-3%2B2i%29%2B%28-4%2B5i%29" id="TexFormula1" title="(-3+2i)+(-4+5i)" alt="(-3+2i)+(-4+5i)"
valkas [14]
When adding these just add common numbers for instance those with the i variable and then the coefficients. We will get (-7+7i)
8 0
3 years ago
How many 5-person committees are possible from a group of 9 people if:
sveticcg [70]
A.) If there are no restrictions, Number of committes possible = 9C5 = 126

b.) If both Jim and Mary must be in the committee, then we are now choosing 3 persons from the remaining 7 people. So the number of committes possible = 7C3 = 35

c.) If either Jim or Mary (but not both) must be on the committe, then there are 7 people availabe and 4 choices to make after taking either Jim or Mary. Also, there are 2 possible ways of choosing either Jim or May.
Theefore, Number of committe possible = 2(7C4) = 2(35) = 70
6 0
3 years ago
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