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2 years ago

If a number is divisible by 3 and 5 then it is divisible by 15

Mathematics

2 answers:

koban [17]2 years ago

6 0

Answer:

Yes!

Step-by-step explanation:

Besides 15 and one, 3 and 5 are the greatest common factors of 15. Those numbers are therefore divisible by any product of 15.

Example:

45/3 = 15

45/5 = 9

45/15 = 3

harina [27]2 years ago

6 0

Answer:

Yes it is

Step-by-step explanation:

Since the multiplication of 3 and 5 will give 15

I.e 3 × 5 = 15

Then any number that can be divided by 3 and 5, can also be divided by 15.

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If z = 4.0 and y = 5.6, what is the value of x? z=y/x Express your answer to the tenths place (i.e., one digit after the decimal

liraira [26]

Answer:

x=1.4

Step-by-step explanation:

Write the equation

$\frac{5.6}{x} =4$

Multiply both sides by x

$5.6=4x$

Divide both sides by 4

$1.4=x$

Hope this helps! Plz award Brainliest : )

3 0

2 years ago

I can Multiply a 11x6 matric by a 6x7 matrix. The resulting matrix will be ??? Can somebody help me

Bumek [7]

Answer:

The resulting matrix will be 11 * 7

Step-by-step explanation:

Given

Matrices 11 * 6 multiplied by 6 * 7

Required

The dimension of the resulting matrix

When a matrix a * b is multiplies by a matrix b * c, the resulting matrix will be: a * c

In this case:

$a * b = > 11 * 6$

$b * c => 6 * 7$

So, the resulting matrix will be:

$a * c => 11 * 7$

3 0

2 years ago

(8x^3 - x) - (10x - 5x^2 - 3x^3) <br> Show your work.

sergeinik [125]

Let's simplify step-by-step.
8
x
3
−
x
−
(
10
x
−
5
x
2
−
3
x
3
)
Distribute the Negative Sign:
=
8
x
3
−
x
+
−
1
(
10
x
−
5
x
2
−
3
x
3
)
=
8
x
3
+
−
x
+
−
1
(
10
x
)
+
−
1
(
−
5
x
2
)
+
−
1
(
−
3
x
3
)
=
8
x
3
+
−
x
+
−
10
x
+
5
x
2
+
3
x
3
Combine Like Terms:
=
8
x
3
+
−
x
+
−
10
x
+
5
x
2
+
3
x
3
=
(
8
x
3
+
3
x
3
)
+
(
5
x
2
)
+
(
−
x
+
−
10
x
)
=
11
x
3
+
5
x
2
+
−
11
x
Answer:
=
11
x
3
+
5
x
2
−
11
x

Brainliest Please:)

6 0

3 years ago

Read 2 more answers

dante has been putting one peeny in his bank everyday Now he has 161 pennies Hor how many weeks has d

nikklg [1K]

All you need to do is divide 161 by 7 and get 23 weeks

6 0

3 years ago

1 - 1/3, 2 - 4/6, 1 - 3/9, 2 - 1/2, please answer them

marusya05 [52]

#1 - 2/3
#2 - 1 1/3
#3 - 2/3
#4 - 1 1/2

5 0

2 years ago

Read 2 more answers