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Masja [62]
2 years ago
10

Need some help not very good at fractions so i need some help

Mathematics
1 answer:
jeka942 years ago
5 0

Answer:

3 and 3/4 miles per hour

Step-by-step explanation:

1/5 and 3/4 cross multiply and = 15/4

simplified to 3 and 3/4

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I need an explanation as to why the other three are wrong aswell
storchak [24]

Answer:

B

Step-by-step explanation:

B is the only one that has only 2 sides of the same length and one that doesn't match the other 2.

A doesn't have any of the lengths being the same

C. is a right triangle, although there can be isosceles right triangles they still need to have only 2 lengths that are the same and in this one, all the values are different

D. This is an equilateral triangle, this has more than 2 lengths that are the same

8 0
3 years ago
3x - 4y =7 solve for y
pochemuha
Y= 3/4x - 7/4
Hope this helps
5 0
3 years ago
Read 2 more answers
What substation should be used to rewrite 4x^4-21z^2+20=0
elena-s [515]
\left[x _{4}\right] = \left[ \frac{ - \left( -1\right) ^{\frac{3}{4}}\,\sqrt[4]{\left( 20 - 21\,z^{2}\right) }}{\sqrt[4]{4}}\right][x​4​​]=[​​4​​√​4​​​​​−(−1)​​4​​3​​​​​4​​√​(20−21z​2​​)​​​​​]
I hope helping with u
6 0
3 years ago
How do you write 5y-9=0 in standard form?
shepuryov [24]

Answer:

5y=9

Step-by-step explanation:

5 0
3 years ago
Jonathan is using the microscope in lab. He saw a chain of bacteria that was 10 millimeters long,
AysviL [449]

We have been given that Jonathan is using the microscope in lab. He saw a chain of bacteria that was 10 millimeters long. We are asked to find the length of chain of bacteria in centimeters.

We know that 1 millimeter is equal to 0.1 centimeter.

To convert 10 milllimeters into centimeters, we will multiply 10 by 0.1.

\text{Length of bacteria in cm}=10\text{ mm}\times \frac{0.1\text{ cm}}{\text{1 mm}}

\text{Length of bacteria in cm}=10\times 0.1\text{ cm}

\text{Length of bacteria in cm}=1\text{ cm}

Therefore, the chain of the bacteria is 1 cm long.

6 0
3 years ago
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