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poizon [28]
3 years ago
14

The Chang family is on

Mathematics
1 answer:
xeze [42]3 years ago
4 0
I think is d correct answer 60%
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PLEASE ANWSER ASAPPPPLL I NEED IT QUICK PLS SHAWTY
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Answer:

c

Step-by-step explanation:

3 and 3/7 ok hope it helps

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Use the quadratic formula to solve the equation.
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=1.3+0.1sqrt29, 1.3-0.1sqrt29
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Wally takes $40 out of his bank account every week.If he had a balance of $100 to begin with,what is his balance after 4 weeks?
vfiekz [6]

Answer:-$60

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Tara wants to fix the location of a mountain by taking measurements from two positions 3 miles apart. From the first position, t
Black_prince [1.1K]

Answer:

Shortest distance from the mountain is 3.17 miles.

Step-by-step explanation:

From the figure attached,

Let a mountain is located at point A.

Angle between the mountain and point B (∠B) = 53°

Angle between the mountain and point C (∠C) = 78°

Distance between these points = 3 miles

Since, m∠A + m∠B + m∠C = 180°

m∠A + 53° + 78° = 180°

m∠A = 180°- 131° = 49°

By applying sine rule in triangle ABC,

\frac{\text{sin}(49)}{BC}=\frac{\text{sin}(53)}{AC}= \frac{\text{sin}(78)}{AB}

\frac{\text{sin}(49)}{3}=\frac{\text{sin}(53)}{AC}= \frac{\text{sin}(78)}{AB}

\frac{\text{sin}(49)}{3}=\frac{\text{sin}(53)}{AC}

AC = \frac{3\text{sin}(53)}{\text{sin}(49)}

AC = 3.17 miles

\frac{\text{sin}(49)}{3}=\frac{\text{sin}(78)}{AB}

AB = \frac{3\text{sin}(78)}{\text{sin}(49)}

AB = 3.89 miles

Therefore, shortest distance from the mountain is 3.17 miles.

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3 years ago
Write the sentence as an inequality A number t multiplied by −4 is at least −25
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T x -4 \geq -25
The sign in the middle means "more than or equal to" or "at least"
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