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klasskru [66]
3 years ago
8

19 points Help please quick i will give you 19 points

Mathematics
1 answer:
telo118 [61]3 years ago
5 0

Answer: It’s A

Step-by-step explanation:

A negative plus a negative is equal to a negative.

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How many different ways can you find for 7 coins totaling 95 cents?​
MatroZZZ [7]

Answer:

one way

Step-by-step explanation:

2 quarters

4 dimes

1 nickel

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3 years ago
A puppy’s circular water bowl has a radius of 14 cm. Identify the two true statements.
avanturin [10]

Answer:

the diameter is 28 centimeters and the area is 97.4 centimeters

Step-by-step explanation:

the diameter is just the radius plus the radius so its 28

and i just solved for the area and got 97.4

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3 years ago
Solve the equation y=2x^2-x-6 using the quadratic formula show the steps to solving
saul85 [17]

Answer:

x1 = 2 \\ x2 =  -  \frac{3}{2}

Step-by-step explanation:

x =  \frac{ - b +  -  \sqrt{ {b}^{2} - 4ac } }{2a}  \\ x =  \frac{1 +  -  \sqrt{ {( - 1)}^{2} - 4(2)( - 6) } }{2(2)}  \\ x =  \frac{1 +  -  \sqrt{1  + 48} }{4}  \\ x =  \frac{1 +  -  \sqrt{49} }{4}  \\ x =  \frac{1 +  - 7}{4}  \\  \\ x1 =  \frac{1  + 7}{4}  =  \frac{8}{4}  = 2 \\ x2 =  \frac{1 - 7}{4}  =   - \frac{6 }{4}  =  -  \frac{3}{2}

7 0
3 years ago
What is the value of x in the equation 21%+ 3) = 4(x-1)?<br> 1<br> 2<br> 3<br> 5
lions [1.4K]

Answer:

321/100

Step-by-step explanation:

7 0
3 years ago
Use synthetic substitution to find f(3) and f(-4) for f(x)= x^4 - 8x- 11.
AveGali [126]

Answer:

f(3)=56, f(-4)=277

Step-by-step explanation:

f(x)=x^4-8x-11

f(3)=3^4-8(3)-11=3*3*3*3-24-11=9*3*3-35=27*3-25=81-25=56

f(-4)=(-4)^4-8(-4)-11=(-4)(-4)(-4)(-4)+32-11=(16)(16)+32-11=256+32-11=288-11=277

4 0
3 years ago
Read 2 more answers
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