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katrin [286]
3 years ago
7

Help anyone ??? Please

Mathematics
1 answer:
lana [24]3 years ago
7 0
Angle F is equal to angle G so 5x + 18 = 7x-12 so you would solve for x which would equal 15
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=<br><br> help me please<br> thx so much<br> have a good one
bezimeni [28]

Answer:

2(2x + 5)(2x - 5)

Step-by-step explanation:

2(2x + 5)(2x - 5)

= (4x + 10)(2x - 5)

= 8x² - 20x + 20x - 50

= 8x² - 50

3 0
3 years ago
Giselle works as a carpenter and as a blacksmith.
seropon [69]

Step-by-step explanation:

$20/hr carpenter pay

$25/hr blacksmith pay

Let c = hours working carpentry

Let b = hours working as blacksmith

c + b = 30 {equation 1}

20c + 25b = 690 {equation 2}

In equation 1 solve for one variable in terms of the other.

c = 30-b

Substitute that into equation 2:

20(30-b) + 25b = 690

600 - 20b + 25b = 690

5b = 90

b = 90/5

b = 18 hours working as a blacksmith

c = 30-b = 30-18 = 12 hours as a carpenter

3 0
1 year ago
Which of the following is the equation of a line that passes through the points (1,6) and (2,1)
anastassius [24]

Answer:

A

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

To calculate m use the slope formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (1, 6) and (x₂, y₂ ) = (2, 1)

m = \frac{1-6}{2-1} = - 5, hence

y = - 5x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation

Using (1, 6), then

6 = - 5 + c ⇒ c = 6 + 5 = 11

y = - 5x + 11 → A

5 0
2 years ago
Read 2 more answers
7. In the accompanying diagram of right triangle ABC, altitude BD divides hypotenuse
xxMikexx [17]

Answer:

A.

Step-by-step explanation:

5 0
3 years ago
Your coach said to spin no less than 27 minutes practicing each day if you practice for 9 in the morning how many more minutes d
Fudgin [204]

Answer:

18

Step-by-step explanation:

first find the total 27min then you find the amount he already practiced 9min. now you have everything you need. if you here, how many more, it usually means subtract. so 27-9=D is the formulated answer

8 0
2 years ago
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