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2 years ago

15y+3x-10=0 intercept form

Mathematics

1 answer:

storchak [24]2 years ago

5 0

Hai! So, I have all the math and explanations in the picture attached.
I forgot to add on there(and you'll see it) wen i subtract 3x and add 10 to the other side it cancels each other out. -3 + 3= 0 and -10 + 10 = 0. Etc.
Other than that, if you have any other questions, comment them down below. :)

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A woman at a grocery store wanted to purchase a 5 pound bag of apples but thought she would first weigh the bag on the store sca

alex41 [277]

Answer:

Step-by-step explanation:

here we are interested to test the mean weight of a bag is less than 5 pound.

So null hypothesis is $H_0:\mu =5$

and alternative hypothesis is $H_1:\mu$

Let's do one sample z test.

The given information Sample size = n =100

sample mean $\overline{X}=4.38$ ,

standard deviation $\sigma =0.5$

Test statistic:Z= $\frac{\overline{X}-\mu }{\frac{\sigma }{\sqrt{n}}}$

Z= $\frac{4.38-5}{\frac{0.5}{\sqrt{100}}}=-12.4$

This is a left tailed test, hence the p value for the left tailed test and Z score= -12.4 is $\approx$ 0

Hence We can reject the null hypothesis to say that we have evidence that apple bag weight at the grocery store is less than 5 pounds and it is not a chance variation

3 0

2 years ago

What is the area of the triangle?

Thepotemich [5.8K]

The answer would be 24 square centimeter cause 8x3 =24

8 0

2 years ago

Read 2 more answers

Arthur, Yusuf, and Bill had some stamps in the ratio 3: 5: 6. When Yusuf gave some stamps to Arthur and Bill gave Arthur 42 stam

Pavlova-9 [17]

Answer:

210 stamps

Step-by-step explanation:

Given:

Arthur ⇒ a = 3 k
Yusuf ⇒ y = 5k
Bill ⇒ b = 6k

Yusuf gave x stamps to Arthur, then:

y = 5k -x
a = 3k + x

Bill gave Arthur 42 stamps more than Yusuf gave to Arthur, then:

b = 6k - (x+42)
a = 3k + x + x + 42

Now all 3 have same amount of stamps:

5k -x = 6k - x - 42 = 3k + 2x + 42

From the first part of the equation we get:

6k - 5k = 42 + x - x
k = 42

How many stamps did Yusuf have at first?

y = 5k
y =5*42
y = 210 stamps

Yusuf had 210 stamps at first

4 0

2 years ago

A sign is in the shape of a rhombus with a 60° angle and sides of 12 cm long. Find its area to the nearest tenth. Select one: a.

murzikaleks [220]

The area of a rhombus can be computed from its side (s) and angle (θ) by
.. A = s^2*sin(θ)
For your numbers, this is
.. A = (12 cm)^2*sin(60°) ≈ 124.7 cm^2

3 0

2 years ago

I need the answers is really hard i have to solve each system of equation by graphing 5-13

mojhsa [17]

All you need to do is plot the point they meet at

6 0

2 years ago