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Vika [28.1K]
3 years ago
7

A girl scout troop hiked 5.8 kilometers southeast in 1.5 hours. What was

Mathematics
1 answer:
hoa [83]3 years ago
8 0

Answer:

the answer is 3.9 km/h southeast

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The measures of two complementary angles are complementary angles are in the ratio 1:3. What are the measures of the angles?
djverab [1.8K]

Answer:

Therefore the measures of the angles are 22.5° and 67.5°.

Step-by-step explanation:

Complementary Angles:

Two angles are Complementary when they add up to 90 degrees.

Example 40° and 50° are Complementary Angles.

If  'x' and 'y' are Complementary Angles the we have

x+y=90\°

Here,

Let the common multiple be 'x '

Then the the Complementary Angles will be 'x' and '3x'.

x+3x=90 ....property of Complementary Angles.

Solving the equation we get

4x=90\\\\x=\dfrac{90}{4}=22.5

Substituting 'x' values we get

x= 22.5°

3x = 3 × 22.5 = 67.5°

Therefore the measures of the angles are 22.5° and 67.5°.

4 0
3 years ago
In his last four basketball games, Jim has scored 6, 18, 24, and 42 points. If the pattern continues, how many points will he sc
Crank
The pattern is adding together the two previous numbers.
6+18=24, and 18+24=42, so the next step is to add 24+32 which equals 56, so the next number is 56
8 0
3 years ago
Please help i will give brainliest
arlik [135]
Here’s my answers, for #10 it got cut off but I got m=9/7 and d=11.40

6 0
3 years ago
What is the value of y in the solution to the system of equations?<br> *x+3y=1<br> 2x – 3y = -30
Delvig [45]

Answer:

\large\boxed{y=\dfrac{32}{9}}

Step-by-step explanation:

\underline{+\left\{\begin{array}{ccc}x+3y=1\\2x-3y=-30\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad3x=-29\qquad\text{divide both sides by 3}\\.\qquad x=-\dfrac{29}{3}\\\\\text{put the value of x to the first equation}\\\\-\dfrac{29}{3}+3y=1\qquad\text{multiply both sides by 3}\\\\3\!\!\!\!\diagup^1\cdot\left(-\dfrac{29}{3\!\!\!\!\diagup_1}\right)+(3)(3y)=(3)(1)\\\\-29+9y=3\qquad\text{add 29 to both sides}\\\\9y=32\qquad\text{divide both sides by 9}\\\\y=\dfrac{32}{9}

8 0
3 years ago
Zaira is getting 2 questions wrong per every seven. In total 245 questions how many is she getting wrong?
Ludmilka [50]

Answer:

70 questions

Step-by-step explanation:

You can make a proportion.

\frac{2}{7} =\frac{x}{245}

Multiply across:

7x=490

Divide by 7:

x=70

<u>Final answer</u>

70 questions

5 0
4 years ago
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