Mr. & Mrs. Martin drove 200 miles in September. They drove 2 times as many miles in November as they did in September. They drove 2 times as many miles in October as they did in November. How many miles did Mr. & Mrs. Martin drive in October?

Answer:

its 8 cause 2 times x is 40 40+-40= 0 so 2 times 4 is 8

Step-by-step explanation:

Answer:

0.969

Step-by-step explanation:

Given that:

Mean lifetime (m) = 520 hours

Variance = 900

Hence, standard deviation (s) = √900 = 30

Probability that bulb will last for at most 576 hours

X ≤ 576

Obtain the standardized score :

Using the relation :

Zscore = (x - m) / s

Zscore = (576 - 520) / 30

Zscore = 56 / 30

Zscore = 1.867

P(Z ≤ 1.867) : using the z probability calculator ;

P(Z ≤ 1.867) = 0.96905

Hence, P(Z ≤ 1.867) = 0.969

Answer:

Brainly doesn’t help people

Step-by-step explanation:

Khan Acadmey or Google helps! Trust me this doesn’t help

Answer:

She sent 120 emails this month.

Step-by-step explanation:

Multiply 200 by .60 (60 percent) and it will give you 120.

I used 60 instead of 40 because the problem said 40 percent less, NOT 40 percent of 200.

Answer:

IT 2

Step-by-step explanation:

Answer:

n= -7

Step-by-step explanation:

subtract 3 from both sides,-6n=42,divide both sides by -6

Answer:

[tex]\boxed{n = - 7}[/tex]

Step-by-step explanation:

[tex] \boxed{you \: solve \: by \: making \to n :} \\ the \: subjet \: of \: the \: equation \to \: \\ it \: means \: making \: \to \: n : to \: stand \: on \: its \: own \to \\ - 6n + 3 = 45 \\ - 6n = 45 - 3 \\ - 6 n= 42 \\ \frac{ - 6}{ - 6} n = - \frac{42}{6} \\ \boxed{n = - 7}[/tex]

Answer: 2² * 3=12 1,2,3,4,6,12.

A.

Step-by-step explanation: One such number should have 1,2,4,8,16,32 as factors. So 32 is one such number. Swapping 16 with 3,we have 2² * 3=12 1,2,3,4,6,12.

Answer:

IM JUST ANSWERING SO YOU CAN GIVE THE OTHER GUY BRAINLIEST :) UR WELCOME

oof caps

Step-by-step explanation:

Answer:

4c+6≤−10

4c+6−6≤−10−6 ... subtract 6

4c≤−16...divide both sides by 4

final: c≤−4

5c-3>2

5c-3>2...add 3

5c>5...divide by 5

c>1

Substitute x = 3 - 2 cos(θ) and dx = 2 sin(θ) dθ (where "sin" = "sen"). So we have

∫ sin(θ) / (3 - 2 cos(θ)) dθ = 1/2 ∫ 1/x dx

= 1/2 ln|x| + C

= 1/2 ln(3 - 2 cos(θ)) + C

(We can remove the absolute value because -1 ≤ cos(θ) ≤ 1, so 1 ≤ 3 - 2 cos(θ) ≤ 5, and |x| = x when x ≥ 0.)

Answer:

angle 3

Step-by-step explanation:

because a supplementary angle is an angle that equals 180 or just a straight line.

Answer:

its the one with 2

Step-by-step explanation:

Answer:

-$11.59

Step-by-step explanation:

Bank account balance = -$58.44

Deposit $46.85.

New balance = Deposit + Bank account balance

New balance = $46.85 + -$58.44

New balance = $46.85 - $58.44

New balance = -$11.59

Answer: x=5

Step-by-step explanation:

Distribute the 4 to the 2 and 9 and you will get (8x-36)=4.

Then you'd add the 36 to 4 to get 40.

Lastly you'd divide 8 and 40 to get 5. Hope this helps!!!

Answer:

150×500=30, i got you man

Answer:

Multiply the normal price of the item by .25 and then subtract that from the normal price.

Step-by-step explanation

[tex]x -(x*.25)[/tex]  

x is the item

Step-by-step explanation:

100%-25%= discounted price= 75%

You do the discounted price divided by 75 to find 1%

do that times 100 to find the pre-discounted price.

e.g

find the original price of a sweater when it was on sale of 25%. the sale price is £15.00.

£15.00 = 75%

15.00 divided by 75 = 1% =£0.20

£0.20 x 100 = pre-sale price = £20.00

The price of the sweater before the sale is £20.00.

You are welcome xx

Answer:

39,000

Step-by-step explanation:

Answer:

40,000

Step-by-step explanation:

Answer: c

Step-by-step explanation:

3/4x = 21/2

Answer:

slope is -6/8, y-int is 3, x-int is 4, this is found by setting the other variable to 0 and dividing -6 by 8 when you subtract 6x from the left side

Step-by-step explanation:

The slope is -3/4, y- intercept is 3 and x- intercept is 4.

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides. LHS = RHS is a common mathematical formula.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given:

Equation: 6x+ 8y= 24

As, the slope intercept form is

y = mx+ b

where m is the slope, b is the y- intercept.

Now, 6x+ 8y = 24

8y = 24- 6x

y = 24/8 - 6x/8

y = 3 - 3x /4

Thus, the slope is -3/4, y- intercept is 3.

Now, for x- intercept put y= 0

0 =3- 3x/4

3= 3x/4

x= 3 (4/3)

x= 4

Learn more about Equation here:

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Answer:

independent

Step-by-step explanation:

Answer:

you have a 1 in 4 chance or 25% chance

Step-by-step explanation:

there is 20 balls and 5 are black, right? And if you do 5/20 it eachs 1/4 or 0.25.

Answer:

26 and 32 are the two numbers, the product is 832

Answer:

-6+x≤15

negative six: -6

plus: +

a number: variable (I chose x)

Less than or equal to: ≤ (an inequality)

fifteen: 15

Answer:

-6 + n ≤ 15

or

n ≤ 21

Step-by-step explanation:

negative six is -6

plus a number would be a variable (I will use n) + n

is less than or equal to would be ≤

fifteen is 15

-6 + n ≤ 15

If you want to solve it, continue

-6 + n ≤ 15

+6         +6

n ≤ 21

I hope that this helps! :)

Answer: [tex]\frac{1}{x^{4} }[/tex]

Answer:

2×2×2×7

Step-by-step explanation:

if you multply 2×2 it is 4×2=8×7=56

backward is easy 7×2= 14×2= 28×2=56

2 × 2 × 2 × 7 is the prime factorization of the number 56.

Given that,
To determine the number whose prime factorization is given as 2 x 2 x 2 x 7.

Factors can be defined by splitting the value into multipliable values.

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

Here,
Prime factorization of the number are a multiplicable number that consists of the prime numbers only,
According to the question,
2 x 2 x 2 x 7  = 56

Thus,  2 × 2 × 2 × 7 is the prime factorization of the number 56.

Learn more about simplification here: https://brainly.com/question/12501526

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Answer: a

Step-by-step explanation:

Answer:

-360

Step-by-step explanation:

Use PEMDAS

Answer:

4.5 ounces of yellow and 7.5 ounces of blue will create 12 ounces of the perfect shade of green.

Step-by-step explanation:

1.5 + 2.5 = 4 ounces.

Multiply by 3

4.5 + 7.5 = 12 ounces

So, she needs 4.5 ounces of yellow.

Answer:

6

Step-by-step explanation:

60/4=15

1 cup of flour=15 cookies

2 cups of flour= 30 cookies

3 cups of flour= 45 cookies

4 cups of flour= 60 cookies

5 cups of flour= 75 cookies

6 cups of flour= 90 cookies

Step-by-step explanation:

bring the common ones together

al +bl +am +bm

l(a+b) +m(a+b)

(l+m) (a+b)

Answer:

2/6

Step-by-step explanation:

There are 2 out of 3 on one half shaded so it is 2/6

Answer:

what is the question? lol

Step-by-step explanation:

Answer:

what question ??

Step-by-step explanation: