#5 Test question 7th grade math

Answer:

The reduced dimensions are:

Width = 12 cm

Length = 7.2 cm

Step-by-step explanation:

Original dimensions of Image:

Width = 20 cm

Length = 12 cm

Fran reduced the dimensions using a scale factor of 0.6

We need yo find dimensions of reduction.

We would multiply the original dimensions by 0.6 to find the new dimensions.

So, Width = 20 * 0.6 = 12

length = 12 * 0.6 = 7.2

So, the reduced dimensions are:

Width = 12 cm

Length = 7.2 cm

Answer:

The answer is D.21.

Step-by-step explanation:

You have to divide 14 by 2/3 and you get 21.

PLZ mark me Brainliest!

Answer:

23

Step-by-step explanation:

Remember PEMDAS/order of operations (Parentheses, exponent, multiplication, division, addition, subtraction)

10*1/2+(-6)(-3)

10*1/2+18

5+18

23

Answer:

D 54 I did this

Step-by-step explanation:

Answer:

[tex]600\ rupees[/tex]

Step-by-step explanation:

[tex]We\ are\ given:\\Dimensions\ of\ the\ door=2m *1m\\Dimensions\ of\ the\ wall=8.5m*2m\\Cost\ of\ whitewashing\ of\ 1m^2=40\ rupees\\Hence,\\First\ lets\ consider\ the\ wall:\\Area\ of\ a\ rectangle= Length*Width\\Here,\\Length\ of\ the\ wall=8.5\ m\\Width\ of\ the\ wall=2\ m[As\ here\ width\ and\ height\ are\ the\ same\ thing]\\Hence,\\Area\ of\ the\ wall=8.5*2=17\ m^2[/tex]

[tex]Now,\\Lets\ consider\ the\ door:\\As\ we\ know\ that,\\Area\ of\ a\ rectangle=Length*Width\\Here,\\Length\ of\ the\ door=2m\\Width\ of\ the\ door=1\ m\\Hence,\\Area\ of\ the\ door=2*1=2m^2\\\\Now,\\The\ area\ to\ be\ whitewashed=Area\ of\ the\ wall-Area\of\ the\ door\\Hence,\\The\ area\ to\ be\ whitewashed=17-2=15\ m^2\\\\As\ we\ know\ that,\\Cost\ of\ whitewashing\ 1\ m^2\ of\ the\ wall= 40\ rupees\\Hence,\\[/tex]

[tex]Cost\ of\ whitewashing\ the\ whole\ wall=Area\ of\ the\ wall\ to\ be\\ whitewashed*Rate\ of\ whitewashing\ per\ m^2\\Hence,\\Cost\ of\ whitewashing\ the\ whole\ wall=15*40=600\ rupees[/tex]

Answer:

305 feet

Step-by-step explanation:

We can name the actual height x so we get the equation [tex]\frac{1}{61}x = 5[/tex]. Multiply both sides by 61 to get [tex]x=305[/tex]. The answer would be feet because it wouldn't make sense if the statue of liberty was 305 inches

Answer:

Step-by-step explanation:

180/3=60

so 60 miles

Answer:

60 miles

Step-by-step explanation:

Since their speed is constant, you just do 180 miles divided by 3 hours to get 60 miles per hour.

Answer:

70.01

steps by-step explanation:

Answer:

A

Step-by-step explanation:

I got it right in Edginuity.

Answer:

A

Step-by-step explanation:

Step-by-step explanation:

254 = 8 * 30 + 8 * 1 + 6

= 8(30 + 1) + 6

= 8 * 31 + 6.

Hence the quotient is 31 and the remainder is 6.

Answer:

254/8=31.75

Step-by-step explanation:

The remainder of 254 divided by 8 is 6

Answer:

Top stays the same

Middle and bottom switch

Step-by-step explanation:

Answer:

the answer is   b

Step-by-step explanation:

please brainliest

Answer:

c

Step-by-step explanation:

Answer:

4.75 = 475/100 = 19/4 = 4 3/4

Approximate value(s):

4.75 =~ 4 (error = -15.789473%)

[tex] - 4.74[/tex]

[tex] = - 4 + 0.74[/tex]

[tex] = - 4 + \frac{74}{100} [/tex]

[tex] = - 4 + \frac{37}{50} [/tex]

[tex] - 4 \frac{37}{50} [/tex]

Answer:

5.5 hours

Step-by-step explanation:

Given that :

Speed of A = 60 kmphr

Speed of B = 80 kmphr

After what time will distance = 770 km

Speed * Time = Distance

Let time = x

Distance A + Distance B = 770

(60 * x) + (80 * x) = 770

60x + 80x = 770

140x = 770

x = 770 / 140

x = 5.5 hours

Answer:D

Step-by-step explanation:i don’t know I’m guessing

Answer:10907

Step-by-step explanation 10907

Answer:

The answer is 28

Step-by-step explanation:

Hope this helps,

have a great day

Answer:

12

Step-by-step explanation:

just look at the other side since both are the same

Answer:

The best model is hypergeometric distribution.

Step-by-step explanation:

The probability would be best modeled with hypergeometric distribution.

Hypergeometric distribution is a discrete probability distribution that describes the probability of successes in draws, without replacement, which is often employed in random sampling for statistical quality control.

The hypergeometric distribution differs from the binomial distribution in the lack of replacements.

Thus, the best model is hypergeometric distribution.

Answer:

8. x=-5 and y=7

9. x=-2 and y=0

10. x=-6 and y=-10

11. x=8 and y=-4

12. x=9 and y=-9

13.x=4 and y=10

14. x=5 and y=-7

Step-by-step explanation:

Answer:

8. x=-5 and y=7

9. x=-2 and y=0

10. x=-6 and y=-10

11. x=8 and y=-4

12. x=9 and y=-9

13.x=4 and y=10

14. x=5 and y=-7

Step-by-step explanation:

Answer:

There are 1 terms.

5x+kr has 3 terms

Step-by-step explanation:

-3g has 1 term. 12 has none. so it is 1

5x has 1 term and kr has 2 terms and 2+1 is 3 terms.

Answer:

It is the distance that -5 is from 0 on the number line

Step-by-step explanation:

I learned this last month

Hope this helps

Answer:

Step-by-step explanation:

This is about absolute value. It is always positive. The choices:

A. It is the distance that -5 is from 0 on the number line.

B. It is the distance that -5 is from 5 on the number line.

C. It is less than 5.

D. It is greater than 5

Answer: -1

Step-by-step explanation:

i really don't know but i was taking a test and i guessed it and it was right

Answer:

Point Q   -0.5

Step-by-step explanation:

Negative 1/2 is equal to -0.5

Answer:

The diagram is attached below which shows the location of the point (-5, -9)

Step-by-step explanation:

Given the point

The location of the point (-5, -9) can be determined by locating the point at x=-5 and y = -9.

Please check the attached diagram where I located the point (-5, -9).

From the attached diagram, it is clear that:

Moving 5 units to the left from the origin (0, 0) and then moving 9 units down would get us to the location x = -5 and y = -9.

The diagram is attached below which shows the location of the point (-5, -9)

Answer:

3,846.68182

Step-by-step explanation:

hope it helps

Answer:

d

Step-by-step explanation:

Step-by-step explanation:

3/6 - 2/5 = 0.1

4/7 - 3/6 = 0.071

5/8 - 4/7 = 0.053

Since there is no common difference d, the sequence is not arithmetic.

(3/6) / (2/5) = 1.25

(4/7) / (3/6) = 1.14

(5/8) / (4/7) = 1.09

Since there is no common ratio, the sequence is not geometric.

Hence the sequence is neither an AP or GP.

Formula for nth term: (n + 1)/(n + 4).

Answer:

Try!

Step-by-step explanation:

Answer:

a. 75°

Step-by-step explanation:

[tex] m\angle A = m\angle C... (given) [/tex]

[tex] (2x+15)\degree = (3x - 15)\degree [/tex]

[tex] 2x+15 = 3x - 15 [/tex]

[tex] 2x - 3x=-15-15[/tex]

[tex] - x=-30[/tex]

[tex] x=30[/tex]

[tex]\because m\angle A = (2x+15)\degree [/tex]

[tex]\therefore m\angle A = (2\times 30+15)\degree [/tex]

[tex]\therefore m\angle A = (60+15)\degree [/tex]

[tex]\therefore m\angle A = 75\degree [/tex]

Answer:

John's Computer Software Store

A) Probability that a person who walks by the store will enter the store:

= 41%

B) The probability that a person who walks into the store will buy something:

= 45%

C) The probability that a person who walks by the store will come in and buy something:

= 18%

D) The probability that a person who comes into the store will buy nothing:

= 55%

Step-by-step explanation:

a) Data and Calculations:

Number of people who walked by the store yesterday = 137

Number of those who came into the store = 56

Number of people who came into the store and bought something = 25

Number of people who came into the store and bought nothing = 31 (56 - 25)

A) Probability that a person who walks by the store will enter the store:

= 56/137

= 0.4087

= 0.41

= 41%

B) The probability that a person who walks into the store will buy something:

= 25/56

= 0.4464

= 0.45

= 45%

C) The probability that a person who walks by the store will come in and buy something:

= 56/137 * 25/56

= 0.41 * 0.45

= 0.1845

= 0.18

= 18%

D) The probability that a person who comes into the store will buy nothing:

= 31/56

= 0.5536

= 0.55

= 55%