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3 years ago

Note: Enter your answer and show all the steps you use to solve this problem in the space provided. 6 × 5 + 3 × 8

Mathematics

2 answers:

exis [7]3 years ago

6 0

(6x5)=30

30+3x8=24

30+24=54
Can you pls make me branliest
Btw hope this helped

babunello [35]3 years ago

6 0

Answer:

Step-by-step explanation:

6x5=30

3x8=24

30+24=54

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What is the distance between (-5,6) and (4, 2)?

Sergeu [11.5K]

Answer:

9.85 units

Step-by-step explanation:

Let the distance between given points be d.

$\therefore \: d = \sqrt{ {( - 5 - 4)}^{2} + (6 - 2)^{2} } \\ \hspace{16 pt} = \sqrt{ {( - 9)}^{2} + (4)^{2} } \\ \hspace{16 pt} = \sqrt{ {81} + 16 } \\ \hspace{16 pt} = \sqrt{97 } \\ \hspace{16 pt}= 9.8488578 \\ \red{ \bold{ \therefore \: d =9.85 \: units }}\\$

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3 years ago

You are in a bike race. When you get to the first checkpoint, you are 2/5 of the distance to the second checkpoint. When you get

SpyIntel [72]

If the entire race is 40 miles, then the second checkpoint is 3/4 of the whole way, which is 30 miles because 40 ÷ 4 = 10 and 10 x 3 = 30. This means that there are 30 miles between the start and the second checkpoint. 2/5 of 30 is 12 because 30 ÷ 5 = 6 and 6 x 2 = 12. Therefore, the answer is 12 miles

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3 years ago

there were 15 questions of which nicole answered 8 incorrectly at this rate how many should she expect to answer correctly if sh

Leokris [45]

Answer:

72 Wrong, so find how many are right with 135 total

Step-by-step explanation:

It's similar to saying if she answered half and this continued how many would she have answered after answering a bigger number, you would say half.

so she answered 8/15 incorrectly a a smaller number, so she will answer that ratio with a bigger number. If it helps 8/15 is about 53%. just like 1/2 is half. So to find half you would multiply something by 1/2 and int he same way you multiply something by 8/15 to get that proportion of it.

so 135, if you take this 53%, or simply multiply it by 8/15 you get your answer of 72. So 72 wrong so al others are right, which you get with 135-72 = 63.

You could also do 135*(1-8/15) = 135 * 7/15. if you ever want to find something NOT part of the proportion you do 1 - that proportion.

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4 years ago

Write the following Arithmetic Sequence using a Recursive Formula: an = -7 + 3(n – 1)

Ostrovityanka [42]

9514 1404 393

Answer:

(b) a[1] = -7, a[n] = a[n-1] + 3

Step-by-step explanation:

Comparing the given formula to the general form for the n-th term of an arithmetic sequence ...

an = a1 +d(n -1)

we see that the first term (a1) is -7, and the common difference (d) is +3.

The recursive version of the sequence definition is ...

a[1] = a1

a[n] = a[n-1] +d

So, the appropriate choice is ...

a[1] = -7, a[n] = a[n-1] +3

7 0

3 years ago

Simplify -8y^3(7y^2-4y-1) PLEASE HELP

max2010maxim [7]

Hey!

Alright, according to P.E.M.D.A.S., the first step to solving this expression is to distribute.

Original Expression :

$\displaystyle\ -8y^{3} (7y^{2} -4y-1)$

New Expression {Distributed Old Expression} :

$\displaystyle\ -(56y^{5} -32y^{4} -8y^{3} )$

Now all you have to do is simplify the parenthesis.

Old Expression :

$\displaystyle\ -(56y^{5} -32y^{4} -8y^{3} )$

New Expression {Simplified} :

$\displaystyle\ -56y^{5} + 32y^{4} + 8y^{3}$

So, since the expression can no longer be simplified, the final answer is...

<h3> $\displaystyle\ -56y^{5} + 32y^{4} + 8y^{3}$ </h3>

Hope this helps!

- Lindsey Frazier ♥

6 0

3 years ago

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