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2 years ago

=. Diego and Priya are each saving money. Diego starts with $80 in his savings account and adds $5

Mathematics

1 answer:

stellarik [79]2 years ago

3 0

Answer:

diego. 80+(5x3)= 95

it isn't priya because 30+(5x3)=45

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3 years ago

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15. Which number is equivalent to 0.000001: 10^6 or 10^-6? Explain how you know. Plz help me

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3 years ago

Masha biked 20km 20 minutes faster than Dasha biked 20km. Find the speed of each cyclist if one biked 2km/h faster than the othe

motikmotik

Answer:

12 km/h and 10 km/h

Step-by-step explanation:

Let the speed of Masha = s, speed of Dasha = d

Distance = 20 km
Time difference = 20 min = 1/3 hr
Speed difference = 2 km/h

As per above info we get following equations:

s = d + 2
20/s + 1/3 = 20/d

Substitute s and solve for d:

20/(d + 2) + 1/3 = 20/d

Get rid of fraction by multiplying all terms by 3d(d + 2):

60d + d(d + 2) = 60(d + 2)
60d + d² + 2d = 60d + 120
d² + 2d = 120
d² + 2d + 1 = 121
(d + 1)² = 11²
d + 1 = 11
d = 10

Find s:

s = 10 + 2 = 12

The answer is

Masha's speed 12 km/h and Dasha's speed 10 km/h

3 0

3 years ago

What is the answer and how do you find it?

Grace [21]

According to the Exterior Angle Theorem, the measure of an exterior angle of a triangle is equal to the sum of the measures of the two non-adjacent interior angles of the triangle.
11x+2=5x+10 + 58
6x=66
x=11

3 0

2 years ago

in toby's yard there are 4 petunias for every 7 rhododendrons toby counts a total of 28 rhododendrons in his yard how many petun

mamaluj [8]

Answer:

16 petunias

Step-by-step explanation:

28/7 = x/4

7x=28*4

7x= 112

x=112/7

x=16

3 0

3 years ago