1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Lerok [7]
3 years ago
13

Which is not Equivalent to 3:5 A.30:50 B.21:28 C:15:28 D.9:15

Mathematics
1 answer:
kirza4 [7]3 years ago
3 0

Answer:

B.

Step-by-step explanation:

Since 21 is divided by 3 you might think that it is equivalent but remeber you have to divide by both sides, so if you divide 21 by 7 it works but 28 by seven does not! Hope this helps!

You might be interested in
Emily used the number line to find the quotient for -15 ÷ 5. What errors did she make? Select three correct answers.
Naily [24]

Answer:

she didnt go back from 15 she went back from 20and the arrows should be going backwords not forwards

8 0
3 years ago
Read 2 more answers
Find the value of x. The diagram is not to scale
Svetllana [295]

Answer:B-70

Step-by-step explanation:

from the figure, In \triangle ABC\ \text{and}\ \triangle ADE

\Rightarrow \dfrac{45}{45}=\dfrac{24}{24}\\\Rightarrow \dfrac{1}{1}=\dfrac{1}{1}

\therefore \text{two triangles are similar}

Thus we can write

\Rightarrow \dfrac{35}{x}=\dfrac{45}{45+45}\\\\\Rightarrow x=35\times \dfrac{90}{45}=35\times 2=70

8 0
3 years ago
Make a table graph the function y=1/2x + 3 domain 0,2,4,6,8
Lesechka [4]

Answer:

No entiendo

Step-by-step explanation:

8 0
3 years ago
How do you know that 1.026÷5.051≠0.02 without doing the​ division?
OLga [1]

Answer:

Mental Math and Logic

Step-by-step explanation:

You might not have access to a calculator, so when times comes like this when you have to validate a statement if wrong or right, mental math comes in help.

You only need the approximate number to do something like mental math. Both numbers divided by each other, is really close to their whole numbers of 1 and 5, respectively. If you divide 1/5, you get 0.2, which is not what the answer is.  0.02 and 0.2 are very different answers, and you would not get 0.02 no matter how many decimals after that 1.0 and 5.0.

Which means the statement is not true based on logic and mental math.

4 0
2 years ago
The scale model of a skyscraper being built is 4.2 feet tall. When it is finished, the skyscraper will be 525 meters tall. What
luda_lava [24]
There are two scales that may be possible for this scale model; one where it's for every foot and one where it's for every meter.
The for every foot would be better to find out since the scale would be easier to use.
First, you have to divide each sided by 4.2, since you want to find how many meters for each foot.
4.2 \div 4.2 = 1 \\ 525 \div 4.2 = 125
For every 1 foot used in the model, the actual will be 125 meters.
1 ft = 125 m
8 0
3 years ago
Other questions:
  • What is the formula to calculate surface area of a triangular prism?
    13·2 answers
  • A. Scalene<br> B. Obtuse<br> C. Equilateral <br> D. Isosceles <br> E. Acute<br> F. Right
    6·1 answer
  • The 5 in 6.052 has 1/10 the value of the 5 in? Is it 4.45, 53.2, 7.5 or 0.815?
    7·1 answer
  • Which number below has a value between 6.2 and 6.9
    14·2 answers
  • Can someone please help me ?
    7·1 answer
  • If an object is dropped from a height of 141 feet, the function LaTeX: h\left(t\right)=-16t^2+141h ( t ) = − 16 t 2 + 141 give t
    13·1 answer
  • Last month, you spent $87 on clothing. This month you spent 165% of what you spent last month. How much did you spend this month
    5·1 answer
  • 24 swimmers are swimming in the pool. 9 of them are female. What fraction of swimmers are male?
    15·1 answer
  • Evaluate the integral. (Remember to use absolute values where appropriate. Use C for the constant of integration.) cos(x) sin(2x
    10·1 answer
  • Find an equivalent fraction to 5/6 only.
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!