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Ulleksa [173]
3 years ago
11

two places A and B are 80km apart on a highway. Two cars at A and B, when moving in the same direction meet in 8 hours and when

moving towards each other, meet in 1 hour 20 minutes. Find the speed of the two cars

Mathematics
2 answers:
Inessa [10]3 years ago
4 0

Answer:

va= 35 km/hr vb=25 km/hr

watch explanation

SIZIF [17.4K]3 years ago
4 0
Va=35km/hr vb=25 km/hr
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Pizza by the Pan sold 4 dozen pizzas in the afternoon. That night, they sold 2.5 times as many pizzas as they did during the aft
Sav [38]

Answer:

they sold 14 pizzas all day.

Step-by-step explanation:

4 x 2 = 8

0.5 means half of what they sold in the afternoon

4 ÷ 2 = 2

now add them both together to get the number of pizzas they sold at night.

8 + 2 = 10

now add the afternoon and night together

10 + 4 = 14

answer: 14 pizzas

6 0
3 years ago
N + 7n -5=3 what is n =
Gre4nikov [31]

Answer:

n=1

Step-by-step explanation:

n+7n-5=3

8n=8

divide both side by coefficient of n we get

n=1

7 0
3 years ago
Read 2 more answers
Use the graph of the following function (x) to find the value. <br> f(1)
kvv77 [185]

From the graph of the given function , the value of f(1) = -1.

As given in the question,

From the graph of the given function,

Two coordinates from the graph are as follow:

( x₁ , y₁) = (1, -1)

( x₂ , y₂ ) = ( 0, -3 )

Equation of the line representing the function is given by:

(y - y₁) /(x-x₁) = ( y₂ -y₁)/ (x₂ -x₁)

⇒(y +1)/ (x-1) = (-3 +1)/ (0-1)

⇒ (y +1)/ (x-1) = 2

⇒y +1 = 2x -2

⇒ y = 2x -3

To get the value of x we have,

  y = f(x)

⇒f(x) = 2x -3

⇒f(1) = 2(1) -3

⇒f(1) = -1

Therefore, from the graph of the given function , the value of f(1) = -1.

Learn more about graph here

brainly.com/question/17267403

#SPJ1

3 0
1 year ago
Please explain
BartSMP [9]
24-3x=-27
-24 -24
-3x=-51
— —
-3 -3

X=17
7 0
3 years ago
In circle P with MLNRQ =60, find the mLNPQ
Diano4ka-milaya [45]
Answer is 120
AngNPQ=2*angNRQ=120
7 0
2 years ago
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