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vaieri [72.5K]
3 years ago
14

What is 6 2/3 x 2 1/2 if you answer you will get 35 poinst

Mathematics
1 answer:
NARA [144]3 years ago
3 0

mixed fraction​​ 16\frac{2}{3}

Step-by-step explanation:

Decimal Form: 16.666667

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Solve, using the substitution method
iren2701 [21]
2x+4y=16
x-7=-4y

4y=16-2x
<span>4y=16-2(-4y+7)
4y=16+8y-14
-4y=2
-4y/-4=2/-4
<u>y=-0,5</u>

2x=16-4(-0,5)
2x=16+2
2x/2=18/2
<u>x=9
</u>
C</span>
5 0
3 years ago
the value of a new automobile depreciates 15% during the first year, and 16% during the second year. What is its depreciated val
Flauer [41]
It starts at 100% - 15% = 85% after the first year. $15,000*0.85 = $12,750
The second year is further reduced 100% - 16% = 84%
$12,750*0.84 = $10,710


3 0
2 years ago
The height of a triangle is 2 less than 5 times it's base. If the base of the triangle is x feet, and the area of the triangle i
____ [38]

Answer:

Area A = 12 = 1/2 × x × (5x-2)

5x^2 - 2x -24 = 0

Solution;

Base x = 2.4

Height h = 10 ft

Step-by-step explanation:

Given;

base of the triangle is x feet;

Base = x

The height of a triangle is 2 less than 5 times it's base;

Height = 5x - 2

the area of the triangle is 12 square feet;

Area A = 12 ft^2

The area of a triangle is;

Area A = 1/2 × base × height

Substituting the base and height;;

Area A = 1/2 × x × (5x-2)

Area A = 1/2 × (5x^2 - 2x)

Area A = 12

12 = 1/2 × (5x^2 - 2x)

Multiply through by 2.

24 = (5x^2 - 2x)

5x^2 - 2x -24 = 0

Solving the simultaneous equation;

x = 2.4 or -2

Since the base cannot be negative;

x = 2.4 ft

Height h = 5x -2 = 5(2.4) - 2 = 12 - 2 = 10 ft

Base x = 2.4

Height h = 10 ft

6 0
3 years ago
What is the point slope equation of the line that passes through (9,-1) and has a slope of 5
Natalka [10]

Answer:

y=5x+46

Step-by-step explanation:

apply point

-1=5(9)+n

-1=45+n

n=-46

y=5x+46

7 0
2 years ago
Read 2 more answers
Ken went to the store for his mother. He spent $2.37 on groceries. His mother said he could spend 35¢ on candy. What was his cha
Sedbober [7]
The answer is 1.28 because you add 2.37+35 then subtract that from $5
3 0
3 years ago
Read 2 more answers
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