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Arlecino [84]
3 years ago
6

Fifty trees grow in a forest. Workers cut down 23 of the trees. Then they plant 38 new ones. After all the cutting and planting,

how many trees are now growing in the forest? Press enter to interact with the item, and press tab button or down arrow until reaching the Submit button once the item is selected A65 trees B88 trees C35 trees D61 trees
Mathematics
2 answers:
ololo11 [35]3 years ago
8 0

Answer:

Option A. 65 trees

Step-by-step explanation:

From the question given:

50 trees was in the forest. Then 23 of them were cut down.

The remaining trees = 50 — 23 = 27 trees.

Now 38 new trees were plant.

Total trees after cutting and planting = 27 + 38 = 65 trees

Elanso [62]3 years ago
3 0

explanation :

before cutting =50-23=27 which is the remaining trees +38 new in the forest =65=A

answer :A65trees

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Enny White is shopping for CDs. She decides to purchase 3 movie soundtracks. The music store has 7 different movie soundtracks i
zubka84 [21]

Answer:

35\ ways

Step-by-step explanation:

we know that

<u><em>Combinations</em></u> are a way to calculate the total outcomes of an event where order of the outcomes does not matter.

To calculate combinations, we will use the formula

C(n,r)=\frac{n!}{r!(n-r)!}

where

n represents the total number of items

r represents the number of items being chosen at a time.

In this problem

n=7\\r=3

substitute

C(7,3)=\frac{7!}{3!(7-3)!}\\\\C(7,3)=\frac{7!}{3!(4)!}

simplify

C(7,3)=\frac{(7)(6)(5)4!}{3!(4)!}

C(7,3)=\frac{(7)(6)(5)}{3!}

C(7,3)=\frac{(7)(6)(5)}{(3)(2)(1)}

C(7,3)=35\ ways

6 0
3 years ago
What is 1/10 of 700?
vlabodo [156]
1/10 of 700 would be 700 would be 70 because 70 x 10 = 100 hope this helped
6 0
3 years ago
Read 2 more answers
Solve x2 + 6x = 7 by completing the square. What is the solution set of the equation?
Vikentia [17]
x^2+6x=7
x^2+6x+9=7+9
(x+3)^2=16
(x+3)^2=4^2
x+3=4\lor x+3=-4
x=4-3\lor x=-4-3
\boxed{x=1\lor x=-7}
4 0
3 years ago
Find the balance in the account. $2,400 principal earning 2%, compounded annually, after 7 years $307,200.00 $17,136.00 $2,736.0
Lisa [10]

Answer:

2,756.85  

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

t=7\ years\\ P=\$2,400\\ r=2\%=2/100=0.02\\n=1  

substitute in the formula above  

A=2,400(1+\frac{0.02}{1})^{1*7}  

A=2,400(1.02)^{7}  

A=2,756.85  

6 0
3 years ago
HELP ASAP PLEASE! BRAINLIEST!!
tatuchka [14]

Answer:

a function is a constant on a interval and the constant is a interval which is horizontal in the entire interval the way a constant interval can be produce is by putting a interval horizontal

Step-by-step explanation:

 

If I'm wrong I'm so sorry

If I'm right Thank you and (Brainliest plz)

6 0
2 years ago
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