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densk [106]
3 years ago
6

Find the area of a circle with radius, r = 1cm. Give your answer in terms of π .

Mathematics
1 answer:
natulia [17]3 years ago
5 0

Answer:

A = 1cm*pi

Step-by-step explanation:

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Find the equation of the line with slope = -7 and passing through (-7,51). write your equation in the form y=mx+b
muminat

Answer:

y = -7x + 2

Step-by-step explanation:

Since we do not have the y-intercept (or, when the x is 0) We will use the Slope Form Formula (y - y1 = m(x - x1)) to find the Slope Intercept Form Formula (y = mx + b)

Point: (-7,51)

Slope: -7

y - y1 = m(x - x1)

y - 51 = -7(x - (-7))

y - 51 = -7(x + 7)

y - 51 = -7x - 49

y = -7x - 49 + 51

y = -7x + 2

4 0
3 years ago
Which of the following are solutions to the quadratic equation? Check all that
Firlakuza [10]

Answer:

\boxed{\sf \ \ \ x=-9 \ \ or \ \ x=2 \ \ \ }

Step-by-step explanation:

hello,

2x^2+7x-14=x^2+4\\ 2x^2+7x-14-x^2-4=0\\ x^2+7x-18=0\\x^2-2x+9x-18=0\\ x(x-2)+9(x-2)=0\\ (x+9)(x-2)=0\\ x+9 = 0 \  \text{or} \ x-2=0\\ x = -9 \  \text{or} \ x=2

hope this helps

6 0
3 years ago
A right cylinder has the radius of 3.5cm and the height of 11cm if i place 3 ice cube with edge length of 2cm in the glass what
Brrunno [24]

Answer:

Volume of cylinder =

\pi  \times r {}^{2}  \times h

\pi \times 3.5 {}^{2}  \times 11 = 423cm {}^{3}

Volume of 1 ice cube = 2*2*2= 8cm3

Volume of 3 ice cubes= 3*8= 24cm3

Volume of juice added = 423-24 = 399 cm3

4 0
3 years ago
Is anyone in geometry (10th-grade math)? I need some help
goldenfox [79]

Answer:

angleB = 41.4°

Step-by-step explanation:

✨ Trigonometry✨

cos theta = adj / hyp

theta = inverse-cos adj / hyp

theta = inverse-cos 12 / 16

theta = inverse-cos .75

theta = 41.4°

*theta is the 0 with a line through it

5 0
3 years ago
Which expression represents the greatest value?
Luden [163]

Answer:

"-2" is the same in all expressions, and it's just plus or minus. so let's ignore the "-2" and look only at the rest

+1 is the greatest then

so -2+1 is the greatest

4 0
3 years ago
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