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Nataly [62]
3 years ago
9

Brad knows the answer to 5 multiplied by 7 how does this help him solve the answer to 8 multiplied by 7?

Mathematics
1 answer:
dimaraw [331]3 years ago
6 0

Answer:

Breaking up the multiplicand 8 into (5+3) allows us to apply the associative property of multiplication.  See below.

Step-by-step explanation:

5*7 = 35.  We want the product 8*7.  Note that 8 = 5+3.  Thus, 8*7=(5+3)(7) = 35 + 21, or 56.

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How do you do this?????
o-na [289]

y = 2x - 9

Step-by-step explanation:

Let's rewrite the given equation such that only y is on the left side and everything else on the right side:

3x + 6y = -30 \Rightarrow 6y = -3x - 30

Simplifying this by dividing by 6, we get

y = -\frac{1}{2}x - 5

This line has a slope of -1/2, which means that a line perpendicular to this has a slope of 2 (i.e., negative reciprocal). So we can write its equation as

y = 2x + b

This is the slope-intercept form of the equation of the line perpendicular to our given line. To complete this form, we need to find the value of b. Since this line passes through (1, -7), put these numbers into our equation to get

-7 = 2(1) + b \Rightarrow b = -9

Therefore, the slope-intercept form of the equation can be written as

y = 2x - 9

3 0
3 years ago
A green dice and red dice are tossed. What is the probability that a 4 shows on the green dice and a 5 shows on the red dice?
kupik [55]

Answer:

\frac{1}{36}

Step-by-step explanation:

When you use "and" you multiply the probabilities

Probability to get a 4 is 1/6

Probability to get a 5 is 1/6

Probability to get a 4 with a dice "and" a 5 with the other is 1/6 * 1/6 = 1/36

7 0
2 years ago
Someone please help me quick because I’m really confused and it you can can you explain it
kogti [31]

Answer:

4.) 40 Apps can be downloaded in 1 minute

5.) 0.2 or 2/10 of a miles can be traveled in 1 second

Step-by-step explanation:

4.)

So 12 seconds is = to 1/5 of a minute

So the question asks for 1 minute

This means that we need to perform 1/5 *5 to get 1 minute

If we multiply 5 to 1/5 minutes, we also need to multiply 5 to the apps

8 * 5 = 40

So that is how we solved the answer.

So DeAndre can download 40 Apps in 1 minute.

5.)

So he traveled 1/10 miles in 1/2 or 0.5 seconds.

This means we can multiply the seconds by 2 to get 1 second.

0.5 * 2 = 1

If we multiply the seconds by 2 we also need to multiply the miles traveled by 2.

So (1/10) * 2

The 2 can be rewritten as (2/1) because 2/1 is the same as 2

(2/1) * (1/10)

So we multiply straight out and get 2/10 miles traveled which can be simplified to 1/5 miles traveled.

7 0
3 years ago
Read 2 more answers
What is the maximum value of the function f(x)=x1/3.
Novay_Z [31]

Answer:

Inf

Step-by-step explanation:

4 0
2 years ago
Math. Is it A B C D.
timofeeve [1]

Answer:

its a

Step-by-step explanation:

8 0
3 years ago
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