All categories

3 years ago

Which property is shown in the following statement?

Mathematics

1 answer:

dusya [7]3 years ago

7 0

Answer:

Step-by-step explanation:

Identity property of multiplication: Any number times 1 (unity) is the number itself. 7 times 1 is 7, the number with which we started.

You might be interested in

A chef plans to mix 100% vinegar with Italian dressing. The Italian dressing contains 12%

Hitman42 [59]

Answer:

Amount of vinegar. 100% : 20 milliliters

Amount of Italian dressing: 140 milliliters

Step-by-step explanation:

Let's call A the amount of vinegar. 100%

Let's call B the amount of Italian dressing . 12% vinegar

The resulting mixture should have 23% vinegar, and 160 milliliters.

Then we know that the total amount of mixture will be:

$A + B = 160$

Then the total amount of pure antifreeze in the mixture will be:

$A + 0.12B = 0.23 * 160$

$A + 0.12B = 36.8$

Then we have two equations and two unknowns so we solve the system of equations. Multiply the first equation by -1 and add it to the second equation:

$-A -B = -160$

$A + 0.12B = 36.8$

--------------------------------------

$-0.88B = -123.2$

$B = \frac{-123.2}{-0.88}$

$B = 140\ milliliters$

We substitute the value of B into one of the two equations and solve for A.

$A + 140 = 160$

$A = 20\ milliliters$

7 0

3 years ago

I WILL GIVE BRAINLIEST Solve for x Answer must be simplified -4 + x ≤ 9

nydimaria [60]

Answer:

x ≤ 13

Step-by-step explanation:

-4 + x ≤ 9

-4 -4

x ≤ 13

5 0

3 years ago

Students on the CARE Team are selling puppies, yes, puppies! They earn $0.40 on each puppy they sell. Their goal is to earn more

cricket20 [7]

0.4 x >= 327 Divide by 0.4
x >= 327/0.4 which is not going to be an even number.
x >= 817. 5 puppies. So they need to sell 0.5 more puppies. Better round this quickly before someone decides to do something stupid to get the extra 1/2 puppy. For us it's simple. Just add a 1/2 puppy more.

x >= 818 puppies <<<<==== answer.

3 0

3 years ago

Simplify the expression cot^2x - cot^2x cos^2x

andrew-mc [135]

Cot^2x - cot^2x cos^2x
= cot^2x - {(cot^2x)(cos^2x)}
= cot^2x { 1 - cos^2x }
= cot^2x { sin^2x }
= (cos^2x/sin^2x) { sin^2x }
= cos^2x

8 0

3 years ago

Which equation is equivalent to − ( 6 − x ) = 24 ?

kondor19780726 [428]

(6-x)=24

X=-18

If you subtract a negative number with a positive number it adds them together making it positive (6- -18)=24

8 0

3 years ago