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Anika [276]
3 years ago
8

A student solved this problem by making a table. Jason has $160. Liam has $120. In how many years will they both have the same a

mount of money if Jason saves $100 per year and Liam saves $110? Jason $160 $260 $360 $460 $560 Liam $120 $230 $340 $450 $560 Year 0 1 2 3 4 Here is a problem that can also be solved by making a table. Kayla has $50. Nina has $80. In how many months will they both have the same amount of money if Kayla saves $50 per month and Nina saves $40? months
Mathematics
2 answers:
zhenek [66]3 years ago
6 0
3 years for both of the equations
natita [175]3 years ago
4 0
J=160+100t, L=120+110t, we wish to know when J+L so

150+100t=120+110t

10t=30

t=3 years

...

50+50t=80+40t

10t=30

t=3 years
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Help 15 points!!!!!!!!!!!!!!!!!!!!!
Svetllana [295]

Answer:

see explanation

Step-by-step explanation:

Using the tangent ratio in the right triangle

tan A = \frac{opposite}{adjacent} = \frac{BC}{AC} = \frac{7}{8} , then

∠ A = tan^{-1} (\frac{7}{8} ) ≈ 41° ( to the nearest degree )

The sum of the angles in the triangle = 180° , then

∠ B + 41° + 90° = 180°

∠ B + 131° = 180° ( subtract 131° from both sides )

∠ B = 49°

Using Pythagoras' identity in the right triangle

AB² = BC² + AC² = 7² + 8² = 49 + 64 = 113 ( take square root of both sides )

AB = \sqrt{113} ≈ 10.6 ( to the nearest tenth )

3 0
2 years ago
Karl drove 617.3 miles. For each gallon of gas, the car can travel 41 miles. Select a reasonable estimate of the number of gallo
Hatshy [7]

Answer:

The number of gallons of gas Karl used is 15 gallons.

Option (C) is correct.

Step-by-step explanation:

As given

Karl drove 617.3 miles.

For each gallon of gas, the car can travel 41 miles.

i.e

1 gallons = 41 miles

1\ miles = \frac{1}{41}\ gallons

Now find out for the  617.3 miles.

Thus

617.3\ miles = \frac{617.3}{41}\ gallons

617.3\ miles = 15.1\ gallons

617.3\ miles = 15\ gallons\ (Approx)

Therefore the number of gallons of gas Karl used is 15 gallons.

Option (C) is correct.

4 0
3 years ago
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maksim [4K]

Answer:

look up desmos graphing calculator! you're welcome x

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
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Lyrx [107]

Answer:

x + 5 * 4


In this problem we have to transfer the expression from verbal to mathematical language. Which would be:

x + 5 * 4

"x" represents "a number"

"5 more than a number" is represented by "x + 5"

"the product of" is indicating a multiplication, which is represented by "*"



Hope it helped,


BioTeacher101

3 0
3 years ago
Read 2 more answers
a architect uses a scale drawing with a scale factor of 1 cm:20 feet. if a actually building is 120 feet tall how many centimete
agasfer [191]
The answer is 6

Explanation:
1 cm : 20 feet
y cm : 120 feet
(We will use cross multiplication)
20y = 120*1
20y/ 20 = 120/20. (left-side: the 20’s will be cancelled)
y= 120/20
y= 6
5 0
3 years ago
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