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ad-work [718]
3 years ago
11

11. The triangle on the left has interior angles 1, 2, and 3.

Mathematics
1 answer:
NemiM [27]3 years ago
5 0
Sorry sorry my fault my bad
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A scuba diver dove from the surface of the ocean to an elevation of −49 9/10 feet at a rate of −9.5 feet per minute. After spend
laila [671]

Answer:

Rate of change  =  4,06 f/min

Step-by-step explanation:

The ascendent length  28 9/10   =  289/ 10

The time for that ascendent maneuver is total time 17 1/8 minutes  - spended time in the elevation 10 minutes, then

17 1/8  =  137/8

137/8  - 10   =  ( 137 - 80 ) /8   =  57/8 minutes

The rate of change in the diver´s elevation is

289 / 10 / 57/8

Rate of change  =  289*8/ 57*10

Rate of change  =  2312 / 570 ft/min

Rate of change  =  4,06 f/min

7 0
3 years ago
A line with a slope of -2 passes through the points (0,d) and (-8,9). What is the value of d?
Verizon [17]

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have m = -2 and the points (0, d) and (-8, 9). Substitute:

\dfrac{9-d}{-8-0}=-2\\\\\dfrac{9-d}{-8}=-2\qquad\text{multiply both sides by (-8)}\\\\9-d=16\qquad\text{subtract 9 from both sides}\\\\-d=7\qquad\text{change the signs}\\\\\boxed{d=-7}

4 0
3 years ago
Angie and Kenny play online video games. Angie buys 2 software packages and 3 months of game play. Kenny buys 1 software package
Natali [406]
<span>$15 Write down some equations that express what you know. A = 2*30 + 3x K = 1*30 + 5x A+K = 210 Substitute the expression for A in the A+K=210 expression 2*30 +3x + K = 210 Now substitute the expression for for K 2*30 + 3x + 1*30 + 5x = 210 Multiply and combine terms 60 + 3x + 30 + 5x = 210 90 + 8x = 210 Subtract 90 from both sides 8x = 120 Divide both sides by 8 x = 120/8 = 15 The cost of one month of game play is $15</span>
3 0
2 years ago
How many solutions does this equation have?<br><br> 6b = 3b + 3b <br><br> is there a solution
sineoko [7]

Answer:

Yes

The answer is 1

Step-by-step explanation:

3 0
3 years ago
Find the x-intercept and the y-intercept of the graph of the equation.<br> 2x + 6y = 36
yan [13]

Answer:

(0,6), and (18,0)

Step-by-step explanation:

2x +6y = 36

6y = -2x +36

y =(-2/6) x+ 36/6

y=(-1/3)x +6

compare this equation to y=mx+b where b is the y-intercept so the

y-intercept is a point at (0, 6)

to find the x-intercept make the equation equal to 0

(-1/3)x+6=0 subtract 6 in both sides

(-1/3)x = -6 cross multiply

-x = 3*-6

x=18 so the

x-intercept is a point at (18,0)

4 0
2 years ago
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