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3 years ago

When multiplying whole numbers by fractions, why do we place the whole number over 1?

Mathematics

2 answers:

swat323 years ago

5 0

Answer:

yes

Step-by-step explanation:

because you can not just multiply without a 1 it will not work at all .

Svetlanka [38]3 years ago

4 0

So it can become a fraction and easier to multiple by

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lyudmila [28]

1,995 for each game.
1,995+1,995=3,990
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3 years ago

Can someone help me with this

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3 years ago

13. If l is parallel to m, find the values of x and y.

Delicious77 [7]

Answer: 14. x = 16; y = 23

15. x = 9; y = 13

Step-by-step explanation:

14. (4x + 4) = (7x - 44) (alternate exterior angles are congruent)

4x + 4 = 7x - 44

Collect like terms

4x - 7x = -4 - 44

-3x = -48

Divide both sides by -3

x = -48/-3

x = 16

39° + (8y - 43)° = 180° (consecutive exterior angles are supplementary)

39 + 8y - 43 = 180

Add like terms

-4 + 8y = 180

Add 4 to both sides

8y = 180 + 4

8y = 184

Divide both sides by 8

y = 184/8

y = 23

15. (15x - 26)° = (12x + 1)° (alternate exterior angles are congruent)

15x - 26 = 12x + 1

Collect like terms

15x - 12x = 26 + 1

3x = 27

Divide both sides by 3

x = 27/3

x = 9

28° + (12x + 1)° + (4y - 9)° = 180° (sum of interior angles of ∆)

Plug in the value of x

28 + 12(9) + 1 + 4y - 9 = 180

28 + 108 + 1 + 4y - 9 = 180

Add like terms

128 + 4y = 180

Subtract 128 from each side of the equation

4y = 180 - 128

4y = 52

Divide both sides by 4

y = 52/4

y = 13

Both answer and explantion.

6 0

3 years ago

The following two triangles have the same angles, and are similar. What is the ratio of hypotenuse to base for the triangles?

STatiana [176]

Answer:

A) The ratio of hypotenuse to base for the triangles is 0.75

Step-by-step explanation:

Here, the given question is INCOMPLETE.

The following two triangles have the same angles, and are similar. What is the ratio of height to base for the triangles?

A) .75

B) 1.00

C) 1.25

D) 2.50

Here, given that the two triangles are similar.

In triangle one:

Height = 6 units , Base = 8 units

In triangle one:

Height = 3 units , Base = 4 units

Now,as the two given triangles are similar.

⇒Their corresponding sides are PROPORTIONAL.

$\implies \frac{H}{h} = \frac{B}{b} = \frac{6}{8} = \frac{3}{4} = 0.75$

So, in both the triangles, the corresponding side ratio is 0.75.

Hence, the ratio of hypotenuse to base for the triangles is 0.75

5 0

4 years ago

PLEASE HELP!!! BRAINLIEST!!!

KATRIN_1 [288]

Answer:

6x ≤ 40

x ≤ 6

Step-by-step explanation:

Assuming you mean that every time you make a product, $6 dollars comes off your limit:

6x ≤ 40

x ≤ 6.666666...

Because you cant make a fraction of a product:

x ≤ 6

7 0

3 years ago