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hram777 [196]
2 years ago
15

Without drawing the graph of the function y=1.2x−7, see if the graph passes through points (-10, 5)

Mathematics
1 answer:
ad-work [718]2 years ago
7 0

Step-by-step explanation:

Substitute x with -10 and y with 5.

(5) = 1.2(10) - 7

5 = 12 - 7

This is obviously true, so the graph indeed passes through the point (-10, 5).

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2 years ago
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Mr. Rico's small business is starting to make a profit. His costs last week were -$352. His profit last week was $22. How many t
MrRa [10]

Answer:

The Answer is -16

Step-by-step explanation:

The equation to this would be -352 / 22, which would give you 16, hope this helped!

5 0
2 years ago
Two equal groups of seedlings, and equal in height, were selected for an experiment. One group of seedlings was fed Fertilizer A
ser-zykov [4K]

Answer:

Null Hypothesis: H_0: \mu_A =\mu _B or \mu_A -\mu _B=0

Alternate Hypothesis: H_1: \mu_A >\mu _B or \mu_A -\mu _B>0

Here to test Fertilizer A height is greater than Fertilizer B

Two Sample T Test:

t=\frac{X_1-X_2}{\sqrt{S_p^2(1/n_1+1/n_2)}}

Where S_p^2=\frac{(n_1-1)S_1^2+(n_2-1)S_2^2}{n_1+n_2-2}

S_p^2=\frac{(14)0.25^2+(12)0.2^2}{15+13-2}= 0.0521154

t=\frac{12.92-12.63}{\sqrt{0.0521154(1/15+1/13)}}= 3.3524

P value for Test Statistic of P(3.3524,26) = 0.0012

df = n1+n2-2 = 26

Critical value of P : t_{0.025,26}=2.05553

We can conclude that Test statistic is significant. Sufficient evidence to prove that we can Reject Null hypothesis and can say Fertilizer A is greater than Fertilizer B.

6 0
1 year ago
Which statements are true about the rules of division? Check all that apply.
a_sh-v [17]

Answer:

1.The quotient of two negative integers is positive.

3.The quotient of two integers with the same sign is positive.

Step-by-step explanation:

8 0
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if the exchange rate between argentina and chile is based on their relative value to the US$, what is the exchange rate for chil
natta225 [31]

Answer:

Hi,

In converting Chilean Pesos(CLP) to Argentine Pesos(ARS) relative to the value of $ then;

$1.00 CLP = $ 0.06 ARS

Step-by-step explanation:

In converting the Chilean Pesos (CLP) to USD, 1CLP equals 0.0015 $

And while converting the Argentine Pesos(ARS) to USD, 1ARS equals $0.0245

Hope this helps!

8 0
2 years ago
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