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Bingel [31]
3 years ago
14

Which expressions are equivalent?

Mathematics
2 answers:
Oksi-84 [34.3K]3 years ago
6 0

Answer:

C.

Step-by-step explanation:

on edge

andrew11 [14]3 years ago
5 0

Answer:

c

Step-by-step explanation:

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Mrs brown used 3 3/4 liters of water to completely fill 3 water bottles.If each water bottle holds the same amount, how many lit
Svetradugi [14.3K]

Answer:

Each bottle could hold \frac{5}{4}\ liters of water.

Step-by-step explanation:

Given:

Total amount of water = 3\frac{3}{4}\ liters

Now 3\frac{3}{4}\ liters can be rewritten as \frac{15}{4}\ liters.

Total amount of water = \frac{15}{4}\ liters.

Total number of water bottles = 3

We need to find amount of water in each bottle.

Solution:

Now we can say that;

amount of water in each bottle can be calculated by dividing Total amount of water from Total number of water bottles.

framing in equation form we get;

amount of water in each bottle = \frac{\frac{15}{4}}{3}= \frac{15}{4\times3}=\frac{5}{4}\ liters

Hence Each bottle could hold \frac{5}{4}\ liters of water.

4 0
3 years ago
Which of the following rules best describes the matrix below? (Picture)
alexdok [17]

Answer:

option b

reflection over the line y = x

Step-by-step explanation:

Matrix for every option is mention below

a)

rotation of 90° counter clockwise about the origin

0    -1

1     0

b)

rotation of 180° about the origin

-1    0

0    -1

c)

for a reflection in the line y=x

0    1

1     0

d)

translation 1 unit left and 1 unit up

1      0

0     1

3 0
3 years ago
Read 2 more answers
What is the volume of the oblique cylinder rounded to the nearest cm^3?
SVETLANKA909090 [29]

Answer: 32009355.90cm^3

Step-by-step explanation:

Formula: V=Bh\\

Since the base is a circumference, we can replace B for the area of a circumference formula.

V=\pi r^2h

What we have here is 12 ft as the diameter of the circumference. A diameter is twice the radius, therefore we can conclude that if we take the diameter and divide it by 2, it will give us the radius.

12/2=6ft this is the radius.

Now plug all this information into your formula.

V=(3.14)(6ft)^2(10ft)\\V=(3.14)(36ft^2)(10ft)\\V=1130.40ft^3

Our values are in feet but the question requires cm. Let's convert from ft^3 to cm^3.

Normally, our conversion factors are raised to the power of 1, but in this case it's raised to the power of 3. So, first let's see how many cm are 1 ft.

1ft=30.48cm

Here is where magic comes. We can raise both to the power of 3, in order to find the cubic ft and cm that we need as our conversion factors.

(1ft)^3=(30.48cm)^3\\1ft^3=28316.8cm^3

Now we have our conversion factors.

1130.40ft^3(\frac{28316.84cm^3}{1ft^3})=32009355.90cm^3

4 0
3 years ago
I've been having trouble in my lessons and I need a bit of help. If someone could explain how to do the problem, or work with me
stiv31 [10]

Answer:

Sorry if this isnt helpful: Im just going off stuff i learned to see if this will help you at all. Im only in 7th so.. Sorry in advance!!

Step-by-step explanation:

To find the rate, you need to create a unit rate table thing, like this:

5/3 = ?/1 To do this, you would need to divide 5 by 3 and 3 by 3 to get y and x. You get: 1.666 continued. Rounded, about 1.7 . so your unit rate for part A is 1.7/1. You would do the same thing. 2/3 = ?/1. I will let you solve that :)))

Finished A! Now B:

To compare, we use the butterfly method! so 1.7/1 o ?1. cross multiply, and whichever number is bigger comes on top. Then you would explain why that number is bigger. BAM

6 0
3 years ago
Can someone help me with this i don’t understand at all
Sedbober [7]

Answer:

Use trig

Step-by-step explanation:

sin(55) = x/21

x = 21sin(55)

use calculator in degree mode

cos(55) = y/21

21cos(55) = y

5 0
3 years ago
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