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olga55 [171]
2 years ago
7

translate this phrase into an algebraic expression 59 Less than twice a number use the variable n to represent the unknown numbe

r
Mathematics
1 answer:
Semenov [28]2 years ago
3 0

To write the given phrase as an algebraic expression you can identify what does each part of the phrase mean:

59 less than: You have to substract 59 to the other part of the phrase

twice a number: as the number is n, twice a number is 2n

Then, you get the next algebraic expression:

2n-59

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2 (x + 1) + 6 = 20 - 3x
uysha [10]

Answer:

x=2.4

Step-by-step explanation:

2(x+1)+6=20-3x

We simplify the equation to the form, which is simple to understand  

2(x+1)+6=20-3x

Reorder the terms in parentheses

+(+2x+2)+6=20-3x

Remove unnecessary parentheses

+2x+2+6=+20-3x

We move all terms containing x to the left and all other terms to the right.  

+2x+3x=+20-2-6

We simplify left and right side of the equation.  

+5x=+12

We divide both sides of the equation by 5 to get x.  

x=2.4

(found online but it might help)

3 0
3 years ago
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natita [175]
I think it's the 180 one
8 0
3 years ago
How many faces vertices and edges are on a box
kolbaska11 [484]

Answer:

A rectangular box has 8 vertices, 10 edges and 6 faces

Step-by-step explanation:

7 0
4 years ago
In the right ABC with C=90,A=75 and AB=12cm. Find the area of ABC
Ganezh [65]

Answer:

18 cm^2

Step-by-step explanation:

The legs of a right triangle are the base and height of the triangle.

Since C is a right angle, AB is the hypotenuse.

AC and BC are the legs and the base and height.

sin 75 = BC/12

BC = 12 sin 75

cos 75 = AC/12

AC = 12 cos 75

area = bh/2 = (12 sin 75)(12 cos 75)/2

area = 18 cm^2

6 0
3 years ago
Jeremiah paid $29.52 for a pair of boots that were on sale. The original price of the boots was 36.00 enter the percentage disco
Karo-lina-s [1.5K]

Answer: The percentage discount for the cost of the boots= 18 %

Step-by-step explanation:

Discount equals   Price before Discount( original price )  −  Price after Discount

=$36.00  −$29.52

=$6.48

Percentage discount =  Discount / Price before Discount ( original price) X 100

= $6.48 / $36.00 x 100

= 0.18 x 100

= 18 %

7 0
3 years ago
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