All categories

3 years ago

What is 3x + 13x = PLZ HLP!!!!!!! Really stressful

Mathematics

2 answers:

MAXImum [283]3 years ago

8 0

It = 16x because 13 plus 3 is 16 so its 16x !!!

omeli [17]3 years ago

5 0

Because the two #s are like terms, just add them. 3x + 13x = 16x

You might be interested in

Melissa has enough paint to cover an area of 250 square feet.she want to paint two walls.the rectangular wall is 9 feet high and

liraira [26]

Answer:

No she doesn't have enough paint.

Step-by-step explanation:

You have to find the area of both walls then subtract both areas by 250. It would give you a negative number, meaning there is not enough paint.

5 0

2 years ago

Read 2 more answers

Give me the answer pll

STatiana [176]

Product means multiply, a number means any variable so 6x is the answer

3 0

2 years ago

(8v^2+6v+5)+(9v^2+v+6)

lisabon 2012 [21]

Answer:

= 17 v^2 + 7v + 11

Step-by-step explanation:

Given that:

= (8v^2+6v+5)+(9v^2+v+6)

by removing brackets

= 8v^2 + 6v + 5 + 9v^2 + v + 6

Addin like terms:

= (8v^2 + 9v^2) + (6v + v)+ (5 + 6)

= 17 v^2 + 7v + 11

I hope it will help you!

4 0

3 years ago

Read 2 more answers

Write as an expression using an negative exponent 1/64

svetlana [45]

64^-1
Hope this helps!

7 0

3 years ago

Read 2 more answers

Canine hip dysplasia is a degenerative disease that causes pain in many dogs. Sometimes advanced warning signs appear in puppies

nordsb [41]

<h2>Answer with explanation:</h2>

Formula for plus-four confidence interval :

$\hat{p}\pm z^* \sqrt\dfrac{\hat{p}(1-\hat{p})}{n+4}}$

, where n= Sample size.

$\hat{p}$ = Sample proportion and $\hat{p}=\dfrac{x+2}{n+4}$

z* = Critical z-value.

Let p be the proportion of puppies area found with early hip dysplasia.

As per given , we have

n= 42

$\hat{p}=\dfrac{5+2}{42+4}=0.1522$

Since confidence interval is not given , so we assume it as 95% .

z-critical value for 95% confidence is 1.96.

Then, the required confidence interval will become :

$0.1522\pm (1.96)\sqrt{\dfrac{0.1522(1-0.1522)}{42+4}}\\\\ 0.152\pm (1.96)\sqrt{0.002805112173}\\\\ 0.152\pm 0.1038\\\\ =(0.1522- 0.1038 ,\ 0.152+ 0.1038)\approx(0.0484,\ 0.256)$

Hence, the plus four confidence interval for p = (0.0484, 0.256)

Interpretation: We are 95% sure that the true proportion of puppies area found with early hip dysplasia lies in (0.0484, 0.256).

7 0

2 years ago