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kykrilka [37]
3 years ago
8

1. Solve the equation.4(x + 5) = 24​

Mathematics
2 answers:
bixtya [17]3 years ago
7 0

Answer:

x=1

Step-by-step explanation:

4(x+5)= 24

4x+20=24

-20 -20

____________

4x = 4

___ ____

4 4

x= 1

bearhunter [10]3 years ago
4 0

Answer:

x = 1

Step-by-step explanation:

Let's start by expanding the equation first. So we'll get:

4x + 20 = 24

Now, to isolate x, subtract 20 from both sides:

4x = 4

Divide both sides by 4:

x = 1

Hope this helps!!!

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3. A group of workers is harvesting berries at a constant rate. An equation that represents the number of baskets of berries the
grin007 [14]

In y = mx + b form, the slope can be found in the m position and the y intercept can be found in the b position.



y = mx + b


y = 2x + 15


slope(m) = 2 and y int (b) = 15



The initial amount is the y intercept, which is 15. The rate of change (the slope) is 2


example :  


baskets picked in 1 hr :


y = 2(1) + 15


y = 2 + 15


y = 17



baskets  picked in 2 hrs :


y = 2(2) + 15


y = 4 + 15


y = 19



so the slope ( rate of change) is basically saying for every hr of picking, you pick 2 baskets...so your picking 2 baskets per hr.


The y intercept (15) is telling us that they already had 15 baskets to start with.

6 0
2 years ago
Make t the subject of this formula.<br> r = 7 (t + 3)
kari74 [83]

Answer:

t= <u>r-21</u>

7

Step-by-step explanation:

r = 7(t+3)

expanding the bracket

r = 7t + 21

bringing t to the left hand side

7t = r - 21

divide both sides by seven

t= <u>r-21</u>

7

3 0
3 years ago
A 36 m tall building is in the shape of rectangular prism.what is the volume of the building if the area of the ground floor is
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6 0
2 years ago
Rewrite the radical expression as an expression with rational exponents.
natita [175]

Answer:

x^(7/5)

Step-by-step explanation:

Root goes on bottom of fraction

Power goes on top

x^(7/5)

4 0
3 years ago
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