It takes 10 minutes to bake a batch of cookies. You need to bake 7 batches of cookies. How long will it take to bake all the cookies?

Answers

Answer 1

Answer: You know 1 batch of cookies = 10 minutes

Now, 7 batch of cookies = ?
To do this just do 7×10=70.
So the answer is 70 minutes = 7 batch of cookies.

You can also set up a proportion.

10 x
__ = ____
1 7

Cross multiply and 7×10=70 and 10x. So now its like this.
70= 10x
÷10 ÷10
_________
7=x

So the answer is 7.

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The sum of 3 consecutive integers is -192. What is the middle number?
6TH GRADE MATH. PLEASE HELP! 25 POINTS!

How can you prove a conjecture is false?

Answers

The easiest way to disprove any conjecture is to find just one counterexample that invalidates the argument.

Yvette is trying to calculate the distance between point C(1, 2) and point D(7, 10). Which of the following expressions will she use? square root of the quantity of 10 minus 2 all squared plus 7 minus 1 all squared square root of the quantity of 10 minus 1 all squared plus 7 minus 2 all squared square root of the quantity of 10 minus 7 all squared plus 2 minus 1 all squared square root of the quantity of 7 minus 10 all squared plus 1 minus 2 all squared

Answers

So this can be solve using the distance formula: D = sqrt [ (x2 – x1)^2 + (y2 – y1)^2] So the expression she should use is: D = sqrt [ (7 – 1)^2 + (10 – 2)^2] Then the answer would be: D = sqrt [ (6)^2 + (8)^2] D = 10

Answer:

square root of the quantity of 10 minus 2 all squared plus 7 minus 1 all squared

Step-by-step explanation:

The pair of points is on the graph of an inverse variation. Find the missing value (2,8) (x,3)

Answers

inverse variation
y=k/x
k=konstant
(x,y)
x=2
y=8
8=k/2
mult 2
16=k

(x,3)
3=16/x
mult both sides y x
3x=16
diivide 3
x=16/3
(16/3,3)

How to write in standard form

Answers

Wen you write in standard form, that means you're writing it in number form. For example, instead of writing "eighty-two", you'll write "82". ;-)

Help Please !What polynomial identity should be used to prove that 133 = 125 + 8?

Difference of Cubes

Difference of Squares

Square of Binomial

Sum of Cubes

Answers

The answer is Sum of Cubes.

Since there is sign +, we expect it to be the sum. Among all choices, only the last one includes summation, and that is sum of cubes.

Let's check it out.
Sum of cubes can be expresses as:
a³ + b³ = (a + b)(a² - ab + b²)

Let's see what are cube roots of 125 and 8:
∛125 = ∛5·5·5 = ∛5³ = 5 ⇒ a = 5
∛8 = ∛2·2·2 = ∛2³ = 2 ⇒ b = 2

Now, let's implement that in the equation of sum of cubes:
5³ + 2³ = (5 + 2)(5² - 5·2 + 2²)
125 + 8 = 7 · (25 - 10 + 4)
133 = 7 · 19
133 = 133

Therefore, sum of cubes is the right answer.

How the expressions 27 and 2.7 alike

Answers

27 is 2.7 times 10 and 2.7 is 27 ÷ 10

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What is 1/2 of a liter in mL?

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