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ankoles [38]
2 years ago
9

Brittany walked 8,910 feet in 45 minutes. She walked at a constant rate. At what rate did Brittany walk in feet per minute?

Mathematics
2 answers:
vova2212 [387]2 years ago
8 0

Answer:

198 feet per minute.

Step-by-step explanation:

To solve this, you divide the number of feet she walked by the number of minutes. This will give you the number of feet she walked in 1 minute.

8,910/45 = 198.

jeyben [28]2 years ago
4 0

Answer:

198 feet per minute

Step-by-step explanation:

8910 feet ÷ 45 minutes = 198 feet per minute

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It took researchers three weeks analyze a large amount of data using a super computer how many minutes did it take them to analy
Helen [10]
3 weeks = 21 days = 504 hours = 30,340 minutes

hope that helped
3 0
3 years ago
In a quadrilateral MNOP the length of side MN is (4x − 7) units and the length of side ON is (7 − 3x) units. What value of x wil
artcher [175]

In a rhombus, all sides are equal.

So for the quadrilateral MNOP to be a rhombus, the given sides have to be equal. THat is

MN=ON

4x-7 =7-3x

Adding 3x to both sides and addinf 7 to both sides

7x = 14

Now we need to get rid of 7 and for that we do division, that is

\frac{7x}{7} = \frac{14}{7}

x=2

Correct option is the second option .

6 0
3 years ago
State if the triangles in each pair are similar. If so, state how you know they are similar.
Zarrin [17]

Answer:

<em>A) similar; SAS similarity.</em>

Step-by-step explanation:

<u>SAS Triangle Similarity</u>

The SAS criterion for triangle similarity states that if two sides of one triangle are proportional to two sides of another triangle and their included angles are congruent, then the triangles are similar.

We are given two triangles BCD and JKL. Sides DB and JL have a ratio of 90/20 = 4.5

Sides JK and BC have a ratio of 81/18 = 4.5

Since both sides are proportional and their included angle of 43° are congruent, then both triangles are similar, SAS similarity.

A) similar; SAS similarity.

6 0
2 years ago
Complete the square please.
Aleks04 [339]

Answer:

(x-3)^2 + (y+2)^2 = 9^2

Step-by-step explanation:

x^2 -6x+y^2+4y-68 = 0

Complete the square

x^2 -6x+y^2+4y-68+68 = 0+68

x^2 -6x+y^2+4y = 68

Find the term to add for x

-6 /2 = -3  -3^2 = 9

Find the term to add for y

4/2 =2  2^2 = 4

Add 9 and 4

x^2 -6x+9+y^2+4y+4 = 68+9+4

(x-3)^2 + (y+2)^2 = 81

(x-3)^2 + (y+2)^2 = 9^2

The standard form is

(x-h)^2 + (y-k)^2 = r^2 where (h,k) is the center and r is the radius

3 0
3 years ago
Find the lateral surface area of this
Ksenya-84 [330]

Answer:

A=157.07\ cm^2

Step-by-step explanation:

Given that,

The radius of a cylinder, r = 5 cm

Height of the cylinder, h = 5 cm

We need to find the lateral surface area of the  cylinder. The formula for the lateral surface area of the cylinder is given by :

A=2\pi r h

Put all the values,

A=2\pi\times 5\times 5\\\\=157.07\ cm^2

So, the lateral surface area of the cylinder is 157.07\ cm^2.

7 0
3 years ago
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