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
algol [13]
3 years ago
9

What is 4a+7b+3a-2b+2a;a=-5 and b=3

Mathematics
1 answer:
Dima020 [189]3 years ago
4 0
<span>4a+7b+3a-2b+2a
Substitute all of the variables for the numbers given
4(-5)+7(3)+3(-5)-2(3)+2(-5)
Multiply all of the variables by their coefficient
-20+21-15-6-10
Combine like terms
Final Answer: -30
</span>
You might be interested in
Somebody plz help me with this question!
-BARSIC- [3]

Answer:

Socratic app

Step-by-step explanation:

it will help you

8 0
3 years ago
A jewelry prism with a length of 9 inches and a height of 4 1/4 inches. The volume of the jewelry box is 283 1/2 cubic inches. W
masha68 [24]

Answer:

volume = (length × Width × height)

(567/2) = (9×) × (17/4) × (w)

283.5 = 38.25w

w= 7.41inches

4 0
3 years ago
The product of two exponentail expressionss is x5 y2 z. One of the expressions is x2 y. What is the other expression?
Yakvenalex [24]
I hope this helps you



x^5.y^2.z/x^2.y


x^5-2.y^2-1.z


x^3.y.z
8 0
3 years ago
Read 2 more answers
PLEASE HELP! IN DESPERATE NEED! Please SHOW YOUR WORK! Thx so much! :)
choli [55]
The 1st one
y=37
x=18.5
7 0
3 years ago
Calculate the value of (6.72 10^5)+ (3.2 x 10^4)<br> Give your answer in standard form.
dangina [55]

Answer:

7.04\cdot 10^{5} <em>or 704,000</em>

Step-by-step explanation:

<u>Standard Form of Numbers</u>

Any number that we can write as a decimal number between 1.0 and 10.0, multiplied by a power of 10, is said to be in Scientific Notation. Some authors consider standard form and scientific form as the same, but others state that standard form is the common form of expressing numbers, i.e., a sequence of digits, separated by thousands by a comma, and separated from the decimal part by a dot.

We'll give here both answers.

We have to calculate:

6.72\cdot 10^{5}+3.2\cdot 10^{4}

Since the numbers don't have the same exponent, we must make them equal. Let's make the second number have an exponent of 5, by dividing by 10:

6.72\cdot 10^{5}+3.2\cdot 10^{4}=6.72\cdot 10^{5}+3.2/10\cdot 10^{5}

6.72\cdot 10^{5}+3.2\cdot 10^{4}=6.72\cdot 10^{5}+0.32\cdot 10^{5}

Now we add:

6.72\cdot 10^{5}+3.2\cdot 10^{4}=7.04\cdot 10^{5}

It's correctly expressed in scientific notation. Now to convert to 'standard form', multiply by 10^5=100,000:

6.72\cdot 10^{5}+3.2\cdot 10^{4}=7.04*100,000=704,000

7 0
3 years ago
Other questions:
  • What is the difference <br> A <br> B<br> C<br> D
    10·1 answer
  • Solve. Write in interval notation. 15-3|x-4|&lt;18
    7·2 answers
  • Can i get help now text
    12·1 answer
  • For the spinner below, assume that the pointer can never lie on a border line. Find the following probabilities. (Enter the prob
    15·1 answer
  • Explain what this solution means : 3x+10&lt; 30 <br> I need help!!!!!
    9·2 answers
  • PLEASE HELP IM FAILING
    8·1 answer
  • Jeff wants to build a barn that is 50 ] feet long by 204 feet wide. What is the area of the barn in square feet?
    14·1 answer
  • Add.<br> (3х – 4) + (4х – 6)<br><br> А. 7х+ 10<br> В. 7х+2<br> C. 7х- 2<br> D. 7x - 10
    14·1 answer
  • What is the other name for multitasking OS
    13·1 answer
  • Which of the following can be used to appropriately measure the weight of a car<br>​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!