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MA_775_DIABLO [31]
2 years ago
8

Can someone please help me with #9

Mathematics
1 answer:
finlep [7]2 years ago
4 0

Answer:

see below

Step-by-step explanation:  5 19 3  52

BIG square area minus little square area equals the shaded area

big area - little area = shaded area

S²  -  s²  =  shaded area

8.5² - 6² =  shaded area

72.25 - 36 =   ________  units²

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ANSWER QUICK PLEASE
scoundrel [369]

Answer:

23 1/4

Step-by-step explanation:

8 0
2 years ago
Use gcf distributive property to find the sum of 28 and 80.
Anna71 [15]

Step-by-step explanation:

The GCF of 28 and 80 is 4.

<u>Distribute 4 for 28 and 80, then solve:</u>

4(7) + 4(20) = 28 + 80

4(7 + 20) = 28 + 80

4(27) = 28 + 80

108 = 80 + 28

7 0
2 years ago
Find the discriminant of 3x^2-10x=-2
Oksanka [162]

Answer:

76

Step-by-step explanation:

given a quadratic equation in standard form : ax² + bx + c = 0 : a ≠ 0

then the discriminant is Δ = b² - 4ac

given 3x² - 10x = - 2 ( add 2 to both sides )

3x² - 10x + 2 = 0 ← in standard form

with a = 3, b = - 10 and c = 2

b² - 4ac = (- 10)² - (4 × 3 × 2) = 100 - 24 = 76


7 0
3 years ago
Portia bought 12 bushes and 30 flowers for $240 to plant in her yard. Later, she realized she did not have enough plants and bou
Anni [7]

Answer: the cost of each bush is $15

the cost of each flower is $2

Step-by-step explanation:

Let x represent the cost of each bush.

Let y represent the cost of each flower.

Portia bought 12 bushes and 30 flowers for $240 to plant in her yard. This is expressed as

12x + 30y = 240- - - - - - - - - - -1

Later, she realized she did not have enough plants and bought 7 more bushes and 10 more flowers for $125. This is expressed as

7x + 10y = 125- - - - - - - - - - -2

Multiplying equation 1 by 7 and equation 2 by 12, it becomes

84x + 210y = 1680

84x + 120y = 1500

Subtracting, it becomes

90y = 180

y = 180/90

y = 2

Substituting y = 2 into equation 1, it becomes

12x + 30 × 2 = 240

12x + 60 = 240

12x = 240 - 60 = 180

x = 180/12

x = 15

8 0
3 years ago
F (x) = x^2 - 6x + 14
kipiarov [429]

y−5=(x−3)2

sorry if im wrong i might be!

<em>have a luvly day!</em>

6 0
2 years ago
Read 2 more answers
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