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
Helga [31]
3 years ago
7

Write and solve a proportion to answer the question.

Mathematics
2 answers:
kari74 [83]3 years ago
7 0

Answer:

a = 25\% \: of \: 78 \\ a =\frac{25}{100} \times 78 \\ a =  \frac{1}{4}\times 78 \\  \boxed{a = 19.5}

<h3><u>a=19.5</u> is the right answer.</h3>
lyudmila [28]3 years ago
5 0

Answer:

uh i dont know but i think the other person answered thx

Step-by-step explanation:

You might be interested in
What conclusions can be drawn about finding the quotient in scientific notation? Check all that apply. Start Fraction (9.6 times
bija089 [108]

Answer:

B.The exponent of the solution is –12, the difference of the original exponents.

C.The coefficient of the solution must be greater than or equal to one but less than 10.

D.The quotient is 3.0 × 10^{-12}

Step-by-step explanation:

We are finding the quotient of the expression below in scientific notation

\dfrac{9.6X10^{-8}}{3.2X10^4} \\=\dfrac{9.6}{3.2}X10^{-8-4}\\ =3 X 10^{-12}

The following conclusions can be drawn

B.The power of 10 in the solution is –12, the difference of the original exponents.

C.The coefficient is 3, which is greater than or equal to one but less than 10.

D.The quotient is 3.0 × 10^{-12}

7 0
3 years ago
Read 2 more answers
I NEED AN ANSWER NOW ASAP
babunello [35]

Answer:

Apparently i cant see the photo im am so sorry but do need pints.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Please help me its about Solving by substitution
Vera_Pavlovna [14]

Answer:

x=-2 y=3

Step-by-step explanation:

The substitution is basically given to you. Exchange x from the second equation with y-5

Once that is done and you combine the parentheses you get:

2y-10+y=-1

Add 10 on both sides of the equal sign

You get:

3y=9

Divide both sides by 3

You get:

y=3

To check your work you can substitute y in the second equation with 3 and solve it that way to get x=-2 (x equals negative two)

3 0
2 years ago
Help please best answer gets brainliest.
QveST [7]

Answer:

i dont know aaksjzkkkxxxzksskkksood

3 0
3 years ago
Given a circle with a diameter of 4, what is the circumference?
Bezzdna [24]

Answer is B) 4 pi

Thank u

4 0
3 years ago
Read 2 more answers
Other questions:
  • Please help i will give you brainliest and every yhing
    12·1 answer
  • What is 14,000,000 in scientific notation?
    10·1 answer
  • Mr. Diaz has 347 apple trees in his orchard. He has 162 more apple trees than peach trees in his orchard . How many peach trees
    5·1 answer
  • Which expression is equivalent to -1?
    5·1 answer
  • URGENT!!! please help me with these two problems, and solve with statement-reasoning. Thank you!!!
    10·1 answer
  • 1. Timika is a counselor at a summer camp for young children. She wants to take 20 campers on a hike and wants to
    14·1 answer
  • A^2 b^2 - 100<br> factor each polynomial, if possible. check your answer using FOIL
    13·1 answer
  • I am so lost. I need help.
    13·2 answers
  • Maya spent her allowance on playing an arcade game a few times and riding the Ferris wheel more than once.
    10·1 answer
  • Please help me on this
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!