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ArbitrLikvidat [17]
3 years ago
9

30/10 as a whole number

Mathematics
1 answer:
mrs_skeptik [129]3 years ago
7 0
3.

30 divided by 10 equals 3
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Hi please help me fast
tekilochka [14]

Answer:

vertex U is the correct answer

4 0
2 years ago
What is 22/3 times 49/10
noname [10]

Answer:

22/3×49/10=35 14/15

Explanation:

\frac{22}{3}×\frac{49}{10}=\frac{1078}{30}

<em>Simplify:</em>

\frac{1078}{30}÷2=\frac{539}{15}

<em>Turn it into a mixed number:</em>

539÷15=35 <em>r</em>14

3 0
3 years ago
Find the equation of the line that contains the points (3,5) and (7, 7). Write the equation in the form y = mx + b and identify
Anastasy [175]

Step-by-step explanation:

Using Point - Slope formula :

(y - y_1) =  \frac{(y_2 - y_1)}{(x_2 - x_1)} (x - x_1)

(y - 5) =  \frac{2}{4} (x - 3)

2y - 10 = x - 3

y =  \frac{1}{2} x +  \frac{7}{2}

m = 1 / 2

b = 7 / 2

8 0
2 years ago
A rectangle has length 72 cm and width 56 cm. The other rectangle has the same area as this one, but its width is 21 cm. What is
katovenus [111]

Answer:

The constant of variation is 4032

Step-by-step explanation:

Given:  

Let a rectangle (say A) has length of rectangle(l)= 72 cm and width of rectangle(w) = 56 cm.

Area of rectangle is multiply its length by its width.

Then,

area of rectangle (A) =l \times w = 72 \times 56 = 4,032 square cm.

It is given that the other rectangle B has the same area as the rectangle A.

Then, the area of rectangle (B) = area of rectangle (A) = 4,032 square cm.  .......[1]

First find the length of rectangle B:

Given: width of the rectangle B is 21 cm

then, by definition

Area of rectangle B = l \times w = l \times 21

From [1];

4032 = l \times 21

Divide 21 both sides we get;

l =\frac{4032}{21} = 192 cm

therefore, the length of rectangle B is 192 cm

To find the constant variation:

if y varies inversely as x

i.e, y \propto \frac{1}{x}

⇒ y = \frac{k}{x} where k is the constant variation.

or k = xy

As area of rectangle is multiply its length by width.

This is the inversely variation.

as: l \propto \frac{1}{w}

or l = \frac{A}{w} where A is the constant of variation

Since, the area (A) of both the rectangles are constant.

therefore, the constant of variation is, 4032


5 0
3 years ago
Use the equation of the water level of the river represented by the equation y=-4x + 170, where x represents the
vovangra [49]

Answer:

(0,170)  and (60,-70) and (5, 150)

Step-by-step explanation:

To see if a given point is on the line or not, you just have to enter the x value (first value in the parenthesis) and see if the function returns the correct y value (second number in the parenthesis).

f(x) = -4x + 170

(170,0)  => -4 (170) + 170 = -680 + 170 = 510.  NO, not equal to 0.

(0,170) =>  -4 (0) + 170 = 0 + 170 = 170. YES

(12, 126)  => -4 (12) + 170= -48 + 170= 122. No, not equal to 126.

(50,30)  => -4(50) + 170 = -200 + 170 = 130. No, not equal to 30.

(5, 150)  => -4(5) + 170 = -20 + 170 = 150. YES

(60,-70) => -4(60) + 170 = -240 + 170 = -70.  YES

4 0
3 years ago
Read 2 more answers
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