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Alecsey [184]
2 years ago
13

by what precent will a fraction increase if its numerator is decreased by 30% and its denomenator is decreased by 50%

Mathematics
1 answer:
natka813 [3]2 years ago
5 0

Answer:

this might be we wrong but 20

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4 x 2/4 as a mixed fraction
aliina [53]

4 x 2/4

2/4 can be reduced to 1/2

Now you have 4 x 1/2

Multiply 4 by 1 then divide by 2:

4 x 1 = 4

4/2 = 2

The answer is 2

5 0
2 years ago
6x2 + 15x – 21<br> no clue
Gala2k [10]

Answer:

-303

Step-by-step explanation:

.............

7 0
3 years ago
Building A is 400 feet tall and Building B is 300 feet tall. Johnny is standing in between the two building. The angle of elevat
Free_Kalibri [48]

Answer:

389 feets apart

Step-by-step explanation:

Given that:

Building A

Height = 400feets

Angle of elevation = 70°

Building B:

Height = 300 feets

Angle of elevation = 52°

Distance from the foot of building A to where Jonny is standing = x (see attached picture)

Using trigonometry :

Tanθ = opposite / Adjacent

Tan 70 = 400/ x

2.7474774x = 400

x = 145.58809 feets

Distance from the foot of building B to where Jonny is standing = y (see attached picture)

Using trigonometry :

Tanθ = opposite / Adjacent

Tan 52 = 300/ y

1.2799416y = 300

y = 145.59

y = 234.38568 feets

x + y = distance between the two buildings

(145.58809 + 234.38568) feets

= 379.97377

= 380 feets apart

5 0
2 years ago
Helpppp please I don’t know how to do this
alina1380 [7]

Answer:

positive

Step-by-step explanation:

From the number line

x>0  so it is positive

y <0  so it is negative

xy = positive * negative

    = negative

-xy = negative * negative

      = positive

3 0
3 years ago
Read 2 more answers
The following frequency table shows the number of fish caught by each of Igor's family members.
Maslowich

Step-by-step explanation:

The values on the left of the table represent the number of fish caught, and the number of the right of the table represents how many family members caught that amount of fish.

Therefore, the first row means that 0 family members caught 0 fish.

The second row means that 3 family members caught 1 fish.

The third row would mean 1 family member caught 2 fish.

The next row would mean 0 family members caught 3 fish.

And the final row would mean 4 family members caught 4 fish.

The question does not ask for the total amount of fish caught; rather is ask for the maximum number of fish that a single family member caught.

Therefore, the maximum amount of fish that a single family member catches is 4. (And 4 family members did so. But individually, the maximum amount of fish one person caught is 4).

6 0
3 years ago
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