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
Crank
3 years ago
15

Witch value of x makes the equation x + 7 = 21 true ?

Mathematics
1 answer:
Shkiper50 [21]3 years ago
5 0

Answer:

x=14

Step-by-step explanation:

x+7=21

x=14

You might be interested in
2) 23 and 24 are complementary angles. If m 23 = (x + 24)º and m 24 = (x )º, then
adoni [48]

Answer:

m<23 = 57° & m<24= 33°

Step-by-step explanation:

You have to create an equation that equals 90°.

(x+24)+x=90

2x+24=90

2x=66

x=33

m<23 = 33+24= 57° so m<23= 57°

m<24= 33°

6 0
3 years ago
The world's fastest man, Usain Bolt,
fomenos

Answer:

41.76 meters

Step-by-step explanation:

Usain Bolt's speed = \frac{62.64}{6}= 10.44m/s

=> In 4 seconds Usain Bold can run: 10.44 x 4 = 41.76m

3 0
3 years ago
Lily babysits on the weekends. She
Anastaziya [24]

Answer: She babysat 7 hours

Step-by-step explanation:if you take the knowledge you have; she charges 6$ per hour. and lily mad 42$ you can divide 42 by 6 to get the answer of 7

8 0
3 years ago
Read 2 more answers
-18 (-3) answer explain
Temka [501]

Answer:

54

Step-by-step explanation:

18(3) = 18+18+18 = 54

But remember that we have two negatives

When you multiply two negative numbers, they become positive, therefore your answer is 54

3 0
3 years ago
Two number are
sweet-ann [11.9K]
Do you still need this
8 0
3 years ago
Other questions:
  • List 5 rational numbers between -2 and -1
    15·1 answer
  • The perimeter of an isosceles trapezoid is 28 in and the ratio of lengths of its bases is 5:3. Find the lengths of the sides of
    11·1 answer
  • Two factors of 28 add up to 9 what are they ?
    7·1 answer
  • does anyone know how to do this. im dumb and need help please i will put 30points if someone actually helps
    7·1 answer
  • If Car A is moving 10 m/s east and Car B is moving 15 m/s west.
    15·1 answer
  • How to get 654 divided by 3 with partial quotients
    13·2 answers
  • Jasmine is making four types of muffins. Each recipe is 3/4 cup of sugar. How much sugar do Jasmine need to make all the muffins
    8·1 answer
  • Scale on a map of Ireland is 1.2 000000 how many square centimetres are represented on the map by the province of Munster.
    15·1 answer
  • Graph each line. Give the slope-intercept form for all standard form equations.
    7·1 answer
  • the $2200 was 44/73 of the total value of the clothes sold in the shop on this day. calculate the total value of clothes sold in
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!