MATHEMATICS MIDDLE SCHOOL

4. Resolva as seguintes equações do primeiro grau com uma incognitaa) 4x + 2 = 38
b) 9x = 6x + 12
c) 5x - 1 = 3x + 11
d) 2x + 8 = x + 13
5. Um retangulo com 100 cm de perímetro apresenta a medida do lado maior com 10 cm a mais que o lado menor. Quanto mede o lado menor dessa figura geométrica?

Answers

Answer 1

Answer:

Answer:

4. a)

5. shorter side of the rectangle measures 20 cm.

Step-by-step explanation:

Answer 2

Answer:

Answer:

Step-by-step explanation:

Related Questions

Is it necessary to add a zero after 1.08 to find the sum
Three friends fill bags with trash at a neighborhood cleanup. Randall's bag weighs 3x-7 pounds, Seth's bag weighs 2x - 10 pounds, and joanna's bag weighs 2x+2 pounds. Together, Randall's and Joanna's bags weigh 3 times as much as Seth's bag. How many pounds of trash does each friend pick up?
Cecilia bought a necklace made of silver and blue beads. The necklace had 30 silver beads and 36 blue beads. The information card on the necklace said that more than 1/3 of the beads are silver. Was the information on the card correct? Explain your answer.
The product of what number and 7 is less than 49
37.Where is the incenter of any given triangle ?38. Which of the following describes a median of a triangle ?

Solve 5x + 7 ≥ 2

(just putting this here since the question is too short)

Answers

1. $5x + 7 \geq 2$
2. $5x \geq -5$
3. $x \geq -1$

1. Start
2. Subtract 7 from both sides
3. Divide both sides by 5

5x + 7 ≥ 2
- 7 -7
5x ≥ -5
/5 /5
"x ≥ -1" is your final answer

Jalen bought 24 juice packs for $7.20. Tia bought 6 juice packs for $2.70. Which statement describes the difference in the unit prices of Jalen's and Tia's juice packs

Answers

Answer:

$10

Step-by-step explanation:

The scale of a drawing is 2 cm : 1 mm. Is the scale drawing larger or smaller than actual object? Explain.

Answers

the scale of the drawing is larger than the actual object, because for every 2 centimeters shown, the actual object is 1 millimeter long.

Describe two prisms that each have 2400 cubic centimeters. Draw each

Answers

A
V = 12 * 40/2 * 10 = 2400

B
V = 24 * 10 * 10 = 2400

The histogram below shows the number of hoagie sandwiches students in Carson's class sold for their fundraiser. Use the histogram to match each conclusion with its value. Round to the nearest whole number if necessary.Term
1.percent of the class that sold less than twenty hoagies

2.greatest number of hoagies that could have been sold by one student

3.total number of students in Carson's class

4.more than half of the students sold at least this number of hoagies

Definition

A) 22

B) 49

C) 20

D) 32