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Minchanka [31]
3 years ago
14

Elizabeth earned a grade of 85% on her multiple-choice science final that had a total of 160 problems. How many problems on the

final exam did Elizabeth answer correctly?
Mathematics
1 answer:
Naily [24]3 years ago
7 0

Answer:

135

Step-by-step explanation: Multiply 160 by 0.85(for 85%) and you get 135

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59.2 inches to feet.
Lapatulllka [165]

Answer:

4.93

Step-by-step explanation:

4 0
3 years ago
Estimate the solution to the system of equations. asap, please!! I will mark for brain list
Darya [45]

Answer:

(1 \frac{1}{3}, 2 \frac{1}{3} )

Step-by-step explanation:

Given the 2 equations

7x - y = 7 → (1)

x + 2y = 6 → (2)

Multiplying (1) by 2 and adding to (2) will eliminate the y- term

14x - 2y = 14 → (3)

Add (2) and (3) term by term to eliminate y

15x = 20 ( divide both sides by 15 )

x = \frac{20}{15} = \frac{4}{3} = 1 \frac{1}{3}

Substitute this value of x into either of the 2 equations and solve for y

Substituting in (2)

\frac{4}{3} + 2y = 6

2y = 6 - \frac{4}{3} = \frac{14}{3} ( divide both sides by 2 )

y = \frac{7}{3} = 2 \frac{1}{3}

7 0
3 years ago
Brenda wants to hire a lawn service to mow her yard for the summer. G &B lawn service charges a total of 440 for the first 1
vampirchik [111]
Brenda can get 24 cuttings total for $1000
5 0
3 years ago
On Sunday, a local hamburger shop sold a combined of 572 hamburger and cheeseburger. The number of cheeseburgers sold was three
igor_vitrenko [27]
Answer: 143 hamburgers and 429 cheese burgers

Explanation:

Call h and c the number of both items.
(h-hamburger and c-cheeseburger)

h + c = 572
c = 3h

Sub the second into the first

h + 3h = 572
4h = 572

Divide both sides by 4
h = 143 hamburgers

Use this back into the second equation
c = 3 • 143 = 429 cheeseburgers

3 0
3 years ago
What is the value of x?
vredina [299]
Add all the angle and =to 180 because all the angle in a triangle add up to 180 then put all numbers on one side and all x terms on the other side then you find x
8 0
3 years ago
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