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babymother [125]
3 years ago
12

Quickly, please, this is timed.

Mathematics
1 answer:
o-na [289]3 years ago
8 0

Answer:

it is the bottom one

Step-by-step explanation:

i think i could be wrong

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Jane has a 5 × 7-inch photograph that she wants enlarged to a 10 × 14-inch photograph. What is the scale factor from the origina
Vladimir79 [104]
I think that the answer is 2, because if you multiply two by each factor in the original photograph then you get the size of the new photograph.
5 0
3 years ago
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If someone is making a circular garden wall that has a diameter of 100, what’s the circumstance?
mylen [45]

If the diameter is 100  

The radios is 50 so using the formula

C=2π r

the circumferences is:

314.159


8 0
3 years ago
What is the standard form equation of the line shown below?
Fantom [35]

The point-slope form:

y-y_1=m(x-x_1)

m - slope

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (-2, 3) and (1, -3). Substitute:

m=\dfrac{-3-3}{1-(-2)}=\dfrac{-6}{3}=-2\\\\y-(-3)=-2(x-1)\\\\y+3=-2(x-1)

The standard form: Ax + By = C. Convert:

y+3=-2(x-1)      <em>use distributive property</em>

y+3=-2x+2         <em>subtract 3 from both sides</em>

y=-2x-1       <em>add 2x to both sides</em>

\boxed{2x+y=-1}\to\boxed{c.}

3 0
3 years ago
Read 2 more answers
The value of y varies directly with x. If x = 6, then y = 72 . What is the value of x when y = 108 ?
Ann [662]

Answer:

Hi there!

Your answer is:

x= 9 when y= 108

Step-by-step explanation:

x= 6 when y=72

/72

x = 1/12 when y =1

<em>So</em><em>:</em>

x= _ when y = 108

x= 1/12 when y =1

×108

x= 9 when y= 108

Hope this helps!

5 0
3 years ago
Help me it’s urgent
Ket [755]

Answer:

a_1 = -\dfrac{3}{4}

Step-by-step explanation:

a_1 \times r = a_2

a_1 \times r^2 = a_3

a_1 \times r^3 = a_4

...

a_1 \times r^8 = a_9

\dfrac{a_9}{a_4} = \dfrac{a_1 \times r^8}{a_1 \times r^3} = \dfrac{-196}{6}

r^5 = -32

r = -2

a_1 \times r^3 = a_4

a_1 \times (-2)^3 = 6

a_1 = \dfrac{6}{-8}

a_1 = -\dfrac{3}{4}

3 0
4 years ago
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