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Studentka2010 [4]
3 years ago
7

Evaluate the expression 2×(d+62)−20÷4 when d=4 .

Mathematics
1 answer:
viva [34]3 years ago
4 0

Answer:

2 x 64 -20/4             do (  ) first (4 +64) = 68

136 x 2 - 20/4                   multiply next 2 x68 =136

136 -5                           division next 20/4

131                                  then subtract 136 -5 = 131      PEMDA rule :)

Step-by-step explanation:

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The difference of 11 and 4 times a number equals 3
OverLord2011 [107]
11 - 4(x) = 3
First subtract 11
- 4(x) = - 8
Then divide by negative four
Then you'll get x= 2
So the answer is 2
3 0
3 years ago
Linda walked 3/4 of the length of the Tremont Trail before stopping for a rest. How far had Linda walked on the trail? Tremont T
Afina-wow [57]

Answer:

2 5/8 miles or 2.625 miles

Step-by-step explanation:

We are told in the question that

Linda walked 3/4 of the length of the Tremont Trail before stopping for a rest.

From the question, the length of the Tremont Trail = 3 1/2 miles

Hence, the distance (how far )Linda has walked =

3/4 of 3 1/2 miles

= 3/4 × 3 1/2 miles

= 3/4 × 7/2 miles

= 21/8 miles

= 2 5/8 miles or 2.625 miles

Therefore, Linda had walked 2 5/8 miles or 2.625 miles on the Tremont trail

3 0
4 years ago
Read 2 more answers
Please answer it in two minutes
Oksi-84 [34.3K]

Answer:

2

Step-by-step explanation:

2 units

6 0
4 years ago
(9y+5x) (9y-5x)<br> Simplify your answer.
Alex777 [14]

Answer:

81 {y}^{2}  - 25 {x}^{2}

Step-by-step explanation:

(9y+5x) (9y-5x) \\  \\  =  {(9y)}^{2}  -  {(5x)}^{2}  \\  \\  = 81 {y}^{2}  - 25 {x}^{2}

6 0
3 years ago
When there are 20 sheep, each sheep has 100 square yards of grazing area . How many yards are available for each sheep when ther
ZanzabumX [31]

Answer:

80 square yards

Step-by-step explanation:

so you have to divide 20 into 100 to see how much each sheep gets. Each sheep gets 5 square yards. Then you just multiply how much each sheep gets by 5 and get 80 square yards.

3 0
4 years ago
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