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bearhunter [10]
2 years ago
8

Someone help please!!!!

Mathematics
1 answer:
LUCKY_DIMON [66]2 years ago
5 0

Answer:

x = -2

TU = 4

UB = 2

Step-by-step explanation:

you can add x^2 with 4x+10 and equate it to 6:

x^2 + 4x + 10 = 6

x^2 + 4x + 4

then u can use the roots formula : x = (-b ± √ (b2 - 4ac) )/2a

so it'll be   x = {-4±[√16 - 4(4)]}/2

x= -2

then u can substitute it and find TU and UB

TU= (-2)^2 = 4

UB= 4(-2)+10 = 2

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What is the simplest form of x^2+5X-36/x^2-16<br> X+9/X+4<br> 9/4<br> X+9/X-4<br> -9/4
Digiron [165]

Answer:

\frac{ {x}  + 9}{x - 4}

Step-by-step explanation:

\frac{ {x}^{2}  + 5x - 36}{ {x}^{2}  - 16}  \\  \\  = \frac{ {x}^{2}  + 9x  - 4x- 36}{ {x}^{2}  -  {(4)}^{2} } \\  \\  = \frac{ x({x}  + 9)  - 4(x + 9)}{ (x + 4)(x - 4) }  \\  \\  = \frac{ ({x}  + 9) \cancel{(x  - 4)}}{  \cancel{(x + 4)}(x - 4) } \\  \\  = \frac{ {x}  + 9}{x - 4}

7 0
3 years ago
3 pounds of grapes cost $5.07. Rounding to the nearest tenth, how many pounds can you purchase for $13.00?
Natali5045456 [20]
So the tenth place is the x in this number 2.x

so rounding to the tenth 5.07
7>5 so round up to 10
5.10

so 13.00

5.10=3 pounds
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1.7=1 pound

divide 13 by 1.7
13/1.7=7.6 pounds

3 0
4 years ago
Blake and two friends equally shared the cups of water shown in the picture.
3241004551 [841]
The answer would be c- 2/6

there are six cups total and three (blake plus two others) friends

there are two ways you can solve this…

1. by making groups
if you look at the picture, you can split it into three groups because that is the number of people, then count how many cups there are in one group which will be your numerator for the denominator six which is the total

2. simple division
divide the total number of cups buy the number of people which is 3
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6 0
3 years ago
Geometry <br> Surface area and volume
Zigmanuir [339]

Answer:

volume=558.9

Step-by-step explanation:

find the volume of the cone and the hemisphere and add them together

<u>cone:</u>

Vcone=\pi r^{2} \frac{h}{3} \\\\V=\pi (5.3)^2(\frac{8.4}{3} )\\V=\pi (28.09)(2.8)\\V=247.09\pi \\V=247.1

<u>hemisphere:</u>

<u></u>Vhemisphere=\frac{2\pi r^3}{3} \\V=\frac{2\pi (5.3)^3}{3} \\V=\frac{2\pi (148.877)}{3} \\V=\frac{297.754\pi }{3} \\V=\frac{935.421}{3}\\ V=311.8

<u>add the volumes together:</u>

<u></u>Vol=247.1+311.8\\Vol=558.9

6 0
2 years ago
Last year, a day care center had 120 children enrolled. This year, 144 children were enrolled at the day care center. Calculate
Stella [2.4K]
Number of children that enrolled in a day care center last year = 120
Number of children that enrolled in a day care center this year = 144
Difference in the number of children = 144 - 120
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Percentage of increase = (24/120) * 100
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From the above deduction, we can conclude that the correct option is option "B". 
8 0
4 years ago
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