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4 years ago

Need help on this question please thank you

Mathematics

1 answer:

pishuonlain [190]4 years ago

5 0

The measure of angle AED is one-half the sum of the intercepted arcs. The intercepted arcs measure 38 and 146. The sum of those is 184. Half of 184 is 92.

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Eight students share 12 mini oatmeal muffins equally and 6 students share 15 mini apple muffins equally. Carmine is in both grou

Lynna [10]

12 for 8 that is 1.5 per person
15 for 6 that is 2.5 per person

She would get 4 muffins

Hope this helps

8 0

4 years ago

Vu, a bystander at the Pegasus Parade, is lying

Gwar [14]

Answer:

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5 0

3 years ago

Consider the square root of 79. Between which two whole numbers will square root of79 lie on a number line.

yawa3891 [41]

Answer:

8 and 9

Step-by-step explanation:

78 is in between 64 and 81 which are the squares of 8 and 9

7 0

3 years ago

1. A MAP SCALE READS 1CM:5KM. IF A DISTANCE ON THE MAP MEASURES 7CM, THE ACTUAL DISTANCE WILL BE?. 2. A SCHOOL DINING HALL IS 35

Agata [3.3K]

Answer:

1. 35 km

2. 1 cm to 5m

3. 6 cm

4. $42^\circ$

5. 16.73 m

Step-by-step explanation:

Solution 1.

Reading of map scale = 1cm:5km

i.e. 1 cm is equivalent to 5 km

Measurement of map = 7 cm

Actual distance = Measurement of map $\times 5$

Actual distance = 7 $\times 5$ = <em>35 km</em>

-------------------

Solution 2.

Length of dining hall = 35 m

Measurement of map = 7 cm

Scale = Measurement of map : Length of dining hall (i.e. ratio)

Scale = 7 cm :35 m = <em>1 cm : 5 m</em>

-------------------

Solution 3.

Length of building = 30 m

Scale = 1 cm to 5m

5 m is equivalent to 1 cm on scale

1 m is equivalent to $\frac{1}{5}$ cm on scale

30m is equivalent to $\frac{1}{5} \times 30$ = <em>6 cm</em> on scale

-------------------

Solution 4.

Angle of elevation of A from B = $42^\circ$

Angle of depression of B from A = ?

Please refer to the image attached, we can clearly observe that both the angles (i.e. angle of elevation from A to B and angle of depression from B to A )will be equal.

Angle of depression of B from A = $42^\circ$

-------------------

Solution 5.

Given that:

String length, or hypotenuse of triangle BC= 25 m

Angle of string with horizontal, $\angle B = 42^\circ$

Please refer to the attached image for the clear understanding of the situation.

To find:

Height, AC = ?

We can use trigonometric identity:

$sin\theta = \dfrac{Perpendicular}{Hypotenuse}$

$sinB = \dfrac{AC}{BC}\\\Rightarrow sin42^\circ = \dfrac{AC}{25}\\\Rightarrow AC = 25 \times 0.67\\\Rightarrow AC = 16.73 m$

============

So, the answers are:

1. 35 km

2. 1 cm to 5m

3. 6 cm

4. $42^\circ$

5. 16.73 m

7 0

3 years ago

Need answer asap!<br> 3a + 4b = 1 - 2c/d<br> solve for c.

Aleonysh [2.5K]

Answer:

-3ad/2 -2bd = c

Step-by-step explanation:

3a + 4b = 1 - 2c/d

⇒3ad + 4bd = d - 2c [multiply d on both sides]

⇒3ad + 4bd - d = -2c [subtract d on both sides]

⇒3ad/(-2) + 4bd/(-2) = c [divide -2 on both sides]

⇒-3ad/2 -2bd = c

3 0

3 years ago