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Bogdan [553]
3 years ago
12

Help with number 7. we just started this unit so i'm clueless.. please help!

Mathematics
2 answers:
Ierofanga [76]3 years ago
8 0
This is the answer for the question

crimeas [40]3 years ago
7 0
You first need to isolate the y
4x+9y=-108
9y=-4x-108 (subtract 4x from both sides)
y=-4/9x-12 (divide both sides by 9)
Then, by using the y=mx+b form, we can tell that the y-intercept is -12 so A

Hope this helps
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Aisha mixes 50 milliliters of yogart, 100 grams of fruit and 250 milliliters of milk to make a smoothie what is the ratio of the
Aneli [31]
The ratio is of yogurt to fruit to milk is 1:2:5
Hope this helps! :D
5 0
3 years ago
6,2 x 10^2 = 0 x t + 1/2 x (-9/8) t^2 + 2582,91
Diano4ka-milaya [45]

Answer:

≠

Step-by-step explanation:

  • 6,2 × 10² = 0 × t + ½ × (-9/8) × t² + 2582,91

  • 6,2 × 100 = 0 + ½ × (-9/8) × t × t + 2582,91

  • 620 = ½ × (-9/8) × t × t + 2582,91

  • 620 = (-9/16) × t × t + 2582,91

  • 620 = (-9/16 t²) + 2582,91

  • 620 ≠ 1.032.939/400 t²

  • 6,2 × 10² ≠ 0 × t + ½ × (-9/8) × t² + 2582,91

Conclusion:

6,2 × 10² ≠ 0 × t + ½ × (-9/8) × t² + 2582,91

7 0
3 years ago
Find the volume of a pyramid with a square base, where the side length of the base is
fgiga [73]

Answer:

Volume of square pyramid = 148.1 m³ (Approx.)

Step-by-step explanation:

Given:

Side length of base of square pyramid  6.6 meter

Height of square pyramid = 10.2 meter

Find:

Volume of square pyramid

Computation;

Volume of square pyramid = a²[h/3]

Volume of square pyramid = (6.6)²[(10.2)/3]

Volume of square pyramid = [43.56][3.4]

Volume of square pyramid = 148.104

Volume of square pyramid = 148.1 m³ (Approx.)

3 0
3 years ago
The function f(x)=125(0.9)x models the population of a species of fly in millions after x years.
deff fn [24]

Answer: (B) 3 times as fast

<u>Step-by-step explanation:</u>

rate of change is the "slope" between the given interval.

f(x) = 125(.9)ˣ

f(1) = 125(.9)¹

    = 112.5

f(5) = 125(.9)⁵

     = 73.8

\dfrac{f(5) - f(1)}{5 - 1} = \dfrac{73.8-112.5}{5-1} = -\dfrac{38.7}{4} = -9.675

********************

f(11) = 125(.9)¹¹

       = 39.2

f(15) = 125(.9)¹⁵

       = 25.7

\dfrac{f(15) - f(11)}{15 - 11} = \dfrac{39.2-25.7}{15-11} = -\dfrac{13.5}{4} = -3.375

********************

The rate of change from years 1 to 5 is approximately 3 times the rate of change from years 11 to 15.

7 0
3 years ago
1/3 of 2 feet = how many inches
Nata [24]
1/3 of 2 ft is 8 inches
5 0
3 years ago
Read 2 more answers
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