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Luba_88 [7]
3 years ago
7

Find the sum. 5(−3.4k−7)+(3k+21)

Mathematics
1 answer:
prohojiy [21]3 years ago
7 0
The answer should be -14 · (k + 1) if u simplify 17/5 and then rewrite the whole as a equivalent fraction and pull out like terms
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You are part of a football team there are three possible outcomes for each match: win, lose or draw. What is the probability of
cupoosta [38]

Answer:

Probabilty of winning the next two matches in a row = 1/9

Step-by-step explanation:

The total number of possible outcome = 3

(Win, lose, draw)

The probability of obtaining a win in a single match = 1/3

The probability of winning in two rows is 1/3² = 1/9

6 0
3 years ago
A food production company is choosing between two suppliers of grain. Supplier A sells grain for $5.25 per bushel plus
ANTONII [103]

Answer:

Supplier A: 5.25 per bushel and deliver fee of 3 per bushel

Supplier B: 6.50 per busher and flat delivery fee of $1500 each week

500 bushels of grain each week.

Supplier A: 5.25x + 3x = 5.25(500) + 3(500) =  2,625 + 1,500 = 4,125

Supplier B: 6.50x + 1500 = 6.50(500) + 1500 = 3,250 + 1,500 = 4,750

Supplier B would cost more if the company buys 500 bushels of grain per week.

Step-by-step explanation:

6 0
3 years ago
Prove algebraically that the recurring decimal 0.72 =8/11
miskamm [114]

Answer:

see explanation

Step-by-step explanation:

We require 2 equations with the recurring decimal placed after the decimal point.

let x = 0.7272.... (1) ← multiply both sides by 100

100x = 72.7272... (2)

Subtract (1) from (2) thus eliminating the recurring decimal

99x = 72 ( divide both sides by 99 )

x = \frac{72}{99} = \frac{8}{11}

7 0
3 years ago
Read 2 more answers
Simplify.
irina1246 [14]
We have,
(2y)^3 × y^-1

Simplify the term (2y)^3

= 8y^3 × y^-1

Now, multiply the terms with the same base y by adding their exponents.

Note: Using exponent product rule x^y × x^z = x^(y+z)

= 8y^{3+(-1)}
= 8y^(3-1)
= 8y^(3-1)
= 8y^2
3 0
3 years ago
A line passes through the point (8,9) and has a slope of 3/4
stepan [7]

Answer: y=\frac{3}{4}x+3

Step-by-step explanation:

Slope-intercept form is y=mx+b, where m is the slope and b is the y-intercept. Since we are given slope, we can plug that into m, and use the given point to find the y-intercept.

y=\frac{3}{4}x+b          [plug in (8,9)]

9=\frac{3}{4}(8)+b       [multiply]

9=6+b            [subtract both sides by 6]

b=3

Now that we have b, we can complete the equation to y=\frac{3}{4}x+3.

7 0
2 years ago
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