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
svetoff [14.1K]
3 years ago
12

What is the value of x when x + 7 = 21? HElp if do so you get 20 ponits

Mathematics
2 answers:
MrRa [10]3 years ago
8 0
X=13 becuase im in 10th grade man c'mon
Svetach [21]3 years ago
7 0
X +7 =21 x would be 14
You might be interested in
I don't understand how to do this
Masteriza [31]
The answer to the question

6 0
3 years ago
Find the missing measures of the parallelogram <br> UT=<br> ST=<br> VS=<br> VT=
12345 [234]

Answer:

see explanation

Step-by-step explanation:

In a parallelogram

• opposite sides are congruent

• the diagonals bisect each other

Then

UT = 27 ( congruent to  RS )

ST = 18 ( congruent to RU )

VS = 7 ( congruent to UV )

VT = 15 ( half of RT )

3 0
3 years ago
you are purchasing a car for 12,465 plus 5.65% sales tax you make a 1,300 down payment you have a fair credit score how much int
inna [77]
The interest at the end of the first month can be calculated given that the interest rate per month. Once, you get the interest rate per month, you multiply it to the price when you purchased the car.
6 0
3 years ago
A collector of scale model of ships wants to know the length of a 1/69 scale model of a ship that was 207 feet in length. Find t
Tresset [83]
I think 3 because if u divide 207 by 69 you get 3
4 0
3 years ago
In the expression (ax+b)*(cx^2+dx+e), find two set of values of a,b,c,d and e so that the coefficient of x^3and x terms after ex
Brilliant_brown [7]

Answer:

2, 0, 2, 3, 5

1, 2, 4, 0, 5

Step-by-step explanation:

(ax + b)(cx² + dx + e)

acx³ + adx² + aex + bcx² + bdx + be

2(2)x³ + 2(3)x² + 2(5)x + 0 + 0 + 0

4x³ + 6x² + 10x

a = 2

b = 0

c = 2

d = 3

e = 5

1(4)x³ + 1(0)x² + 1(10)x + 2(4)x² + 0 + 10

4x³ + 8x² + 10x + 10

a = 1

b = 2

c = 4

d = 0

e = 5

7 0
2 years ago
Other questions:
  • X + y=-4 <br> X +2y=13 <br> Using elimination method
    14·1 answer
  • If shorts cost 8.50$ plus 6.5% markup what is it... need help
    6·1 answer
  • 10x^3 - 6x^2 + 50x - 30
    6·2 answers
  • What is 15/36*12/25 in lowest terms
    14·1 answer
  • 2x + 4y = 12
    12·1 answer
  • Pls hurry <br><br> What’s the answer just say A B C D
    10·2 answers
  • Naomi used a rectangle a square and a right triangle to form figure. What is the area of the shaded region of the figure in squa
    9·2 answers
  • Triangle ABC has vertices A(2,0), B(6,0) and C(4,5). Prove that the triangle is isosceles and ​not​ a right triangle
    11·1 answer
  • Someone PLEASE help with these as fast as you can. thank you so much
    15·1 answer
  • A random number generator picks a number from 6 to 66 in a uniform manner. Round answers to 4 decimal places when possible.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!