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3 years ago

If you solve this for me I’ll love you forever (but seriously I need the answer ASAP)

Mathematics

2 answers:

mash [69]3 years ago

8 0

Description:

This will be no solution because when we add 10 to both sides of the equation then simplify it. After that we will subtract 6 from both sides. It will give us no solution. For more info please see the attachment.

Answer: No solution

Hope this helps.

Anestetic [448]3 years ago

5 0

Answer:

Step-by-step explanation:

A variable represents an actual value. We may not know what value it represents, but it must represent some number.

Look at what we are given. 2(3x-5) = 6x + 8. The next step to solving this equation is using the distributive property of multiplication over addition. If you need help understanding this property, I recommend you either create a new question or ask me about it in the comments.

In any case, multiplying 2 and (3x-5) equals by the distributive property 6x -10.

So 6x-10 = 6x+8

If this is true, we can subtract 6x from both sides. If two things are equal, subtracting the same value from both sides will give two new things that are also equal.

In this case, subtracting 6x gives -10 = 8.

But -10 does not equal 8. So what does that mean? It basically means, that whatever value x represents, 6x-10 will not equal 6x+8. And if that's true, then no matter what x is, 2(3x-5) will not equal 6x+8. Not a single solution for x could satisfy this equation, so we can say that there is no solution.

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Find the total surface area of the rectangular prism 7.1 2.8 3.2

krek1111 [17]

lol

Step-by-step explanation:

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3 years ago

How to change from standard for to vertex form

zalisa [80]

If the equation is y = 3(x + 4)2 - 6, the value of h is -4, and k is -6. To convert a quadratic from y = ax2 + bx + c form to vertex form, y = a(x - h)2+ k, you use the process of completing the square. Let's see an example. Convert y = 2x2 - 4x + 5 into vertex form, and state the vertex.

8 0

3 years ago

Read 2 more answers

On a recent trip to the convenience store, you picked up 4 gallons of milk, 5 bottles of water, and 8 snack-size bags of chi

Otrada [13]

Answer:

One gallon of milk costs $3.64

One bottle of water costs $2.54

One bag of chips costs $0.79

Step-by-step explanation:

m represent gallons of milk

w represents bottles of water

c represents snack-size bags of chips

t = total bill

t = m + w + c ... eq 1

t = $33.60

but

w = 2c

m = 1.90 + w

m = 1.9 + 2c

Slot in the values in eq 1

33.60 = (1.9 + 2c ) + 2c + c

33.60 = 1.9 + 5c

33.60 - 1.9 = 5c

31.7 = 5c

c = $6.34

Slot in the value of c in w and m

w = 2c

w = 2(6.34)

w = $12.68

m = 1.9 + 2c

m = 1.9 + 2(6.34)

m = $14.58

4 gallons of milk cost $14.58

Therefore, one gallon if milk costs = 14.58/4 = $3.64

5 bottles of water cost $12.68

Therefore, one bottle of water costs = 12.68/5 = $2.54

8 bags of chips = $6.34

Therefore, one bag of chips cost = 6.34/8 = $0.79

5 0

3 years ago

How do I solve this ?

xenn [34]

To solve these problems, you must make the denominators of each fraction match, before adding.

2. The answer is 11/10 or 1 and 1/10.

To find this answer, multiply 1/5 by 2/2 to get 2/10. Then add 2/10 to 9/10 get 11/10 or 1 and 1/10 as your answer.

4. The answer is 23/18 or 1 and 5/18.

To find this answer, multiply 7/9 by 2/2 to get 14/18, and multiply 1/2 by 9/9 to get 9/18. Then add 14/18 and 9/18 to get 23/18 or 1 and 5/18 as your answer.

6. The answer is 7/12.

To find this answer, multiply 1/3 by 4/4 to get 4/12 and multiply 1/4 by 3/3 to get 3/12. Then add 4/12 and 3/12 to get 7/12 as your answer.

I hope this helps!

8 0

3 years ago

In a survey of 1005 adult Americans, 46.6% indicated that they were somewhat interested or very interested in having web access

sweet-ann [11.9K]

Answer:

No, the marketing manager was not correct in his claim.

Step-by-step explanation:

We are given that in a survey of 1005 adult Americans, 46.6% indicated that they were somewhat interested or very interested in having web access in their cars.

Suppose that the marketing manager of a car manufacturer claims that the 46.6% is based only on a sample and that 46.6% is close to half, so there is no reason to believe that the proportion of all adult Americans who want car web access is less than 0.50.

Let p = population proportion of all adult Americans who want car web access

SO, Null Hypothesis, $H_0$ : p $\geq$ 50% {means that the proportion of all adult Americans who want car web access is more than or equal to 0.50}

Alternate Hypothesis, $H_a$ : p < 50% {means that the proportion of all adult Americans who want car web access is less than 0.50}

The test statistics that will be used here is One-sample z proportion statistics;

T.S. = $\frac{\hat p -p}{\sqrt{\frac{\hat p(1-\hat p)}{n} } }$ ~ N(0,1)

where, $\hat p$ = sample proportion of Americans who indicated that they were somewhat interested or very interested in having web access in their cars = 46.6%

n = sample of Americans = 1005

So, test statistics = $\frac{0.466-0.50}{\sqrt{\frac{0.466(1-0.466)}{1005} } }$

= -2.161

Since in the question we are not given the level of significance so we assume it to be 5%. Now at 5% significance level, the z table gives critical value of -1.6449 for left-tailed test. Since our test statistics is less than the critical value of z so we sufficient evidence to reject our null hypothesis as it will fall in the rejection region.

Therefore, we conclude that the proportion of all adult Americans who want car web access is less than 0.50 which means the marketing manager was not correct in his claim.

3 0

3 years ago