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3 years ago

Can someone help me with some questions please for brainless and points

Mathematics

2 answers:

Dmitry_Shevchenko [17]3 years ago

7 0

Your answer is 189 because to find volume you to length x width x height

your length is 9cm , your width is 7cm, and your height is 3cm. all you do is times those numbers together

Kipish [7]3 years ago

6 0

Answer:189

Step-by-step explanation:

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3 years ago

If the following system of equations was written as a matrix equation in the form AX = C,? and matrix A was expressed in the for

LenaWriter [7]

The given equations are
5x + 7y = 7
3x - 2y = 9

As a matrix equation,
A = [5 7
3 -2]

X = [x
y]

C = [7
9]
That is
a =5, c=7; and b=3, d=-2

a - b + c + d = 5 - 3 + 7 + (-2) = 7

Answer: 7

4 0

3 years ago

Read 2 more answers

The sum of two numbers it 226. their differences is 200. what are the numbers?

jekas [21]

<span>To get the bigger number, divide by 2 the sum of the given sum of the numbers and their difference. In this case-
(226 + 200)/2 = 426/2 = 213.
To get the smaller number, divide by 2 the difference of the given sum of the numbers and their difference. In this case -
(226 - 200)/2 = 26/2 =13.
The two numbers are 213 and 13.
The bigger number is 213</span>

7 0

3 years ago

What is 8.25 as a fraction in simplest form?

vekshin1

8 is a whole number, so this will be the whole number part of our mixed number.

0.25 is a decimal, where 25 is in the HUNDREDths place, so we write 25 as a fraction over 100.

$\sf\dfrac{25}{100}$

Simplify by dividing 25 to the numerator and denominator.

$\sf25\div25=1$
$\sf100\div25=4$

So our fraction is $\sf8\dfrac{1}{4}$

0.55 is a decimal, where 55 is in the HUNDREDths place, so we write 55 as a fraction over 100.

$\sf\dfrac{55}{100}$

Simplify by dividing 5 to the numerator and denominator.

$\sf55\div5=11$
$\sf100\div5=20$

So our fraction is $\sf\dfrac{11}{20}$

$\sf\dfrac{5}{8}$

To convert this to a decimal, just divide 5 / 8

$\sf5\div8=0.625$

3 0

3 years ago

Read 2 more answers

One angle of a rhombus measures 108°, and the shorter diagonal is 9 inches long. Approximately how long is the side of the rhomb

liberstina [14]

The value of the length of the rhombus will be found as follows:
cos θ=adjacent /hypotenuse
θ=108/2=54°
adjacent = 9/2=4.5 inch
hypotenuse=length of the rhombus
thus
cos 54=9/x
x=4.5/cos 54
x=7.6558~8 inches
the answer is 8 inches

3 0

3 years ago

Can someone help me with some questions please for brainless and points​

Can someone help me with some questions please for brainless and points