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azamat
3 years ago
11

The graph represents y = -4x + 7. Which statements are true about the graph?

Mathematics
1 answer:
Gennadij [26K]3 years ago
4 0

Answer:a and e for usaprebtest

Step-by-step explanation:

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The base of a triangle is nine centimeters longer than the perpendicular height. If the area of the triangle is 180 square centi
Rom4ik [11]

Answer:

<em>The base is 24 cm long.</em>

Step-by-step explanation:

<u>Equations</u>

Let's call

b= base of the triangle

h=height of the triangle

The base is 9 cm longer than the height, thus:

b = h + 9

The area of the triangle is:

\displaystyle A=\frac{bh}{2}

\displaystyle A=\frac{(h+9)h}{2}

And its value is 180:

\displaystyle \frac{(h+9)h}{2}=180

Multiplying by 2:

(h+9)h=360

Operating:

h^2+9h-360=0

Factoring:

(h-15)(h+24)=0

The only valid positive solution is:

h = 15 cm

And b = h + 9 = 24

b = 24 cm

The base is 24 cm long.

7 0
3 years ago
If you are dealt 4 cards from a shuffled deck of 52 cards, find the probability of getting two queens and two kings.
Bingel [31]

<u>Given</u>:

If you are dealt 4 cards from a shuffled deck of 52 cards.

We need to determine the probability of getting two queens and two kings.

<u>Probability of getting two queens and two kings:</u>

The number of ways of getting two queens is 4C_2

The number of ways of getting two kings is 4C_2

Total number of cases is 52C_4

The probability of getting two queens and two kings is given by

\text {probability}=\frac{\text {No.of fanourable cases}}{\text {Total no.of cases}}

Substituting the values, we get;

probability=\frac{4C_2 \cdot 4C_2}{52C_4}

Simplifying, we get;

probability=\frac{6 (6)}{270725}

probability=\frac{36}{270725}

probability=0.000133

Thus, the probability of getting two queens and two kings is 0.000133

7 0
3 years ago
Kyle went to the store to buy a shirt and noticed that the shirt is 20% off the original price of 25 dollars how much did Kyle p
posledela
100%-20%=80%

25×80%=20. As a result, Kyle pays $20 for the shirt. Hope it help!
8 0
3 years ago
Read 2 more answers
Please help<br><br>need help​
aev [14]

Answer:

The answer is B

Step-by-step explanation:

I'm not 100% sure but since its translated 3 units left it should be y=f(x-3)

7 0
3 years ago
Read 2 more answers
Help me!
zheka24 [161]
The answer would be 1.6666666668
8 0
3 years ago
Read 2 more answers
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