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NNADVOKAT [17]
4 years ago
7

What is the answer to 29=5a+4

Mathematics
2 answers:
Tcecarenko [31]4 years ago
8 0
29=5a+4
subtract 4 from both sides
29-4=5a-4
25=5a
divide both sides by 5
25/5=5a/5
5=a
answer: a=5
DanielleElmas [232]4 years ago
5 0
29 = 5a + 4
25 = 5a
5 = a
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An experienced bricklayer can work twice as fast as an apprentice bricklayer. After the bricklayers work together on a job for 4
Veronika [31]

Answer:

7 hours.

Step-by-step explanation:

An experienced bricklayer can work twice as fast as an apprentice bricklayer. The apprentice needs 14, so 14/2=7

4 0
3 years ago
At Becky's Restaurant, 10 out of 25 customers order wheat rolls. The rest of the customers order cornbread. Which does NOT repre
LekaFEV [45]

Answer:

C. 25 ÷ 10

Step-by-step explanation:

A. 10/25

B. 2/5

C. 25 ÷ 10

D. 0.4

Total customers at Becky's restaurant = 25

Customers who order wheat rolls = 10

It means 10 out of 25 customers order wheat rolls

That is

10 / 25

Dividing both numerator and denominator by 5

= 2 / 5

2/5 in decimal

= 0.4

The option Which does NOT represent the part of the customers who order wheat rolls

is 25/10

Option C. 25 ÷ 10

8 0
4 years ago
Find the slope of the line passing through the points (-4,7) and (2,-8)
mixas84 [53]

Answer:

m=\frac{-5}{2}

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS

<u>Algebra I</u>

  • Slope Formula: m=\frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

Point (-4, 7)

Point (2, -8)

<u>Step 2: Find slope </u><em><u>m</u></em>

  1. Substitute:                    m=\frac{-8-7}{2+4}
  2. Subtract/Add:               m=\frac{-15}{6}
  3. Simplify:                        m=\frac{-5}{2}
6 0
3 years ago
A glass is 4/7 full. Then 70 cm³ orange juice is poured in. The glass is now 3/4 full.
Nataly_w [17]

Answer:

The volume of the glass is 217.8 cm³

Step-by-step explanation:

If the glass were initially 4/7 full, that means 3/7 of the volume is still available to hold more juice.

Let v represent the volume of the glass.  

Then (3/7)v + 70 cm³ = (3/4)v.

We need to solve this for v.

Here the LCD is 28.  Thus,

(3/7)v + 70 cm³ = (3/4)v →  (12/28)v + 70 cm³ = (21/28)v.

Subtracting  (12/28)v from both sides, we get:

70 cm³ = (9/28)v.

We can isolate v by mult. both sides by the inverse of 9/28, which is 28/9:

(28/9)(70 cm³) = v

The volume of the glass is 217.8 cm³

3 0
3 years ago
Read 2 more answers
Pi = 3.14
mr Goodwill [35]
Area of circle= 3.14r^2
r= 4
A= 50.27
8 0
3 years ago
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