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3 years ago

How many more equal angles does a square have than a rectangle?

Mathematics

1 answer:

Doss [256]3 years ago

3 0

2 equal angles is the correct answer

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If the re-expressed regression line is ln y = 8.7 + 0.23x, what is the value of y when x is 12?

Sauron [17]

Answer:

y=11.46

Step-by-step explanation:

$y = 8.7 + 0.23x \\ y = 8.7 + 0.23(12)$

$y = 8.7 + 0.23 \times 12 \\ y = 8.7 + 2.76$

$y = 11.46$

$to \: multiply \: 0.23 \times 12 \\ you \: convert \: the \: decimal$

$= 23 \ \times 12 \div 100 \\ = 276 \div 100$

$= 2.76$

hope I helped

mark as brainliest answer

6 0

3 years ago

Item 4 In a circle with a radius of 36.9 m, an arc is intercepted by a central angle of 8π 5 radians. What is the arc length? Us

leva [86]

Answer:

The arc length is 185.39 meters.

Step-by-step explanation:

The arc length is calculated by the following expression:

$\Delta s = \Delta \theta \cdot r$

Where:

$r$ - Radius, measured in meters.

$\Delta \theta$ - Central angle, measured in radians.

If $r = 36.9\,m$ and $\Delta \theta =\frac{8}{5}\pi\, rad$ , the arc length, measured in meters, is:

$\Delta s = \frac{8}{5}\pi\cdot (36.9\,m)$

$\Delta s = \frac{8}{5}\cdot (3.14)\cdot (36.9\,m)$

$\Delta s \approx 185.386\,m$

$\Delta s \approx 185.39\,m$

The arc length is 185.39 meters.

5 0

3 years ago

What is the value of x?

zavuch27 [327]

Answer:

x = 41

Step-by-step explanation:

By the Angle Bisector Theorem, which basically states that EG / GD = EH / DH, we get this: 49 / 35 = 58.8 / (x + 1). Now, if we simplify, we get 7/5 = 58.8 / (x + 1). Cross-multiply to get 294 = 7x + 7, or 7x = 287. From here, it is obvious that x = 41.

8 0

3 years ago

A car rental company's standard charge includes an initial fee plus an additional fee for each mile driven. The standard charge

Radda [10]

4 days later. ugh haha sorry. answer in the first ten min on time my butt

7 0

3 years ago

The ratio of keepers to animals in the city zoo is 2 : 7. The table shows the current numbers of animals and keepers in the zoo.

Akimi4 [234]

9 more keepers would need to be added i believe <span />

3 0

3 years ago

Read 2 more answers