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maria [59]
3 years ago
6

How can you use 4x7 to find 8x7?

Mathematics
2 answers:
max2010maxim [7]3 years ago
6 0
4 x 7 is 28, and 8 x 7 is 56. You can use 4 x 7 to find 8 x 7 by multiplying that first and doubling that quotient.

Half of 56 is 28, therefore doubling that allows us to find the quotient of 8 x 7.
Karo-lina-s [1.5K]3 years ago
4 0
You can use it because if you multiply 4x7, the answer is 28 and if you multiply 8x7 it is 56 and 28 is half of 56. Hope that helped!
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A, B, and C are collinear points. B is between A and C. AB = 5x + 8 BC = 6x - 1 AC = 12x - 11 Find AC.
Vlada [557]

Answer:

AC = 198

Step-by-step explanation:

Since all these points are collinear, we know that the addition of AB plus BC should give the same as AC. We can then set an equation that addresses this identity:

AB + BC = AC

5x +8 +6x - 1 = 12x - 11

Now re-arranging like terms in order to combine them:

8 - 1 + 11 = 12x - 5x - 6x

19 - 1  = 12x - 11x

18 = x

Now that we know the value of 'x", we can determine the value of AC:

AC = 12x - 11

AC = 12 (18) - 11

AC = 216 - 18

AC = 198

8 0
4 years ago
What is the missing number in the series?<br><br> 1, 16, 81, __, 625, 1296
Alinara [238K]

Answer:

256

Step-by-step explanation:

We are given the series

1, 16, 81, __, 625, 1296

The missing number in the sequence is the fourth term

From the above sequence, we know that

1, 4², 9² , __, 25² , 36²

Difference between first term = 4 - 1 = 3

9 - 4 = 5

x - 9 = 7

x = 9 + 7 = 16

Hence, the fourth term = 16²

= 256

6 0
3 years ago
An art shop has 80 large boxes of markers and 34 small boxes of markers in stock. Each large box contains 48 markers and each sm
Pavel [41]

Answer: n= 80 ×48+ 34×20

Step-by-step explanation:

Given: Number of large boxes = 80

Number of small boxes = 34

Number of markers in each large box = 48

Number of markers in each small box = 20

Total markers = (Number of large boxes)x (Number of markers in each large box) + (Number of small boxes) x (Number of markers in each small box)

Total number of markers = n (given)

Then, n= 80 ×48+ 34×20

Therefore , the equation could be used to find n, the total number of markers in stock: n= 80 ×48+ 34×20

6 0
3 years ago
Evaluate the function when x = -1, 5, -10 *
postnew [5]

Step-by-step explanation:

f(x) = | x² - x + 3 |

f(-1) = |(-1)² - (-1) + 3| = |1 + 1 + 3| = |5| = 5

f(5) = |(5)² - (5) + 3| = |25 - 5 + 3| = |23| = 23

f(-10) = |(-10)² - (10) + 3| = |100 - 10 + 3| = |93| = 93

4 0
3 years ago
10 times as much as _____ is 1/10 of 60000
Elina [12.6K]

0.1 × 60,000 = 10x. Combine the terms on the left side of the equation.

6,000 = 10x. Divide each side by 10.

600 = x

6 0
3 years ago
Read 2 more answers
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