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2 years ago

Select all expressions equivalent to 7/10

Mathematics

2 answers:

Alisiya [41]2 years ago

7 0

Answer:

circle 2 and 3 if I am correct

andreev551 [17]2 years ago

5 0

Answer:

second one, and third one

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If there are approximately 1.8 million cars in Vancouver and if each car travels an average of 17,500 kilometres in a year, how

Goryan [66]

Rates are used to measure a quantity over another.

The 1.8 million cars use $1.85 \times 10^{10}$ liters each year

Given

$Cars = 1.8\ million$

$d = 17500km$ --- distance

$r = 40miles/gallon$

First, we calculate the number (n) of gallons used by each car

$r = \frac{d}{n}$

Solve for n

$n = \frac{d}{r}$

So, we have:

$n = \frac{17500km}{40miles/gallon}$

$n = \frac{17500km}{40miles}gallon$

Convert miles to kilometers

$n = \frac{17500km}{40km \times 1.60934}gallon$

$n = \frac{17500km}{64.3738km}gallon$

$n = 271.85\ gallon$

The number of gallons (N), used by all the cars is:

$N = n \times cars$

$N = 271.85 \times 1.8\ million$

$N = 489330000$

Convert to liters

$N = 489330000 \times 3.78541L$

$N = 1852314675.3L$

In scientific notation to 2 decimal places, we have:

$N = 1.85 \times 10^{10}L$

Hence, the number of liters used is $1.85 \times 10^{10}$

Read more about distance and rates at:

brainly.com/question/24659604

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3 years ago

A transformation of ΔSTV results in ΔUTV. 2 triangles are connected at their base. Both triangles have identical side lengths an

Sergeu [11.5K]

Answer:

the answer is reflection

Step-by-step explanation:

i took edg

6 0

3 years ago

Read 2 more answers

Please help i really need help thanks

Grace [21]

Answer:

B. 31.62

Step-by-step explanation:

First, find the distance of the line using the distance formula, $d=\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1} )^2 }$ . Plug the two points (-1,0) and (5,2) into the formula and solve. This gives you 6.32, then this is only one line of a pentagon, which has 5 sides, so you need to multiply. Since you are finding the perimeter, which is all of the sides added together, multiply the one side by 5. 6.32*5=31.62.

6 0

3 years ago

Find the measure of the indicated angle to the nearest degree

Paha777 [63]

Answer:

Step-by-step explanation:

7 0

2 years ago

Paying 20$ cashapp if you get this correct

Ilia_Sergeevich [38]

Answer:

148⁰

Step-by-step explanation:

M< EDF = M< DFE (because the two angles are equal because the triangle has two equal sides)

2x + 8 = 3x + 4

8 – 4 = 3x - 2x

4=x or x=4

So M< EDF= 2x4+8 = 16⁰

So M< EDF + M< DFE= 32⁰

180⁰- 32⁰ = 148⁰

3 0

3 years ago