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3 years ago

7

A test has thirty questions worth 100 points. The test consists of True/False questions worth 3 points each and multiple choice

questions worth 8 points each. How many multiple choice questions are on the test?

1 answer:

Masteriza [31]3 years ago

8 0

When i divided and got the answer it was 12R4 R=Remainder

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Sin tita= 0.6892.find the value Of tita correct to two decimal places<br><br>

Anvisha [2.4K]

Answer:

$\theta \approx 6.28n + 2.38, \quad n \in \mathbb{Z}$

or

$\theta \approx 6.28n + 0.76, \quad n \in \mathbb{Z}$

Considering $\theta \in (0, 2\pi]$

$\theta \approx 2.38$

or

$\theta \approx 0.76$

Step-by-step explanation:

$\sin(\theta)=0.6892$

We have:

$\sin (x)=a \Longrightarrow x=\arcsin (a)+2\pi n \text{ or } x=\pi -\arcsin (a)+2\pi n \text{ as } n\in \mathbb{Z}$

Therefore,

$\theta= \arcsin (0.6892)+2\pi n, \quad n \in \mathbb{Z}$

or

$\theta = \pi -\arcsin (0.6892)+2\pi n, \quad n\in \mathbb{Z}$

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

$\theta \approx 6.28n + 2.38, \quad n \in \mathbb{Z}$

or

$\theta \approx 6.28n + 0.76, \quad n \in \mathbb{Z}$

4 0

3 years ago

Lynette wanted to run one mile in eight minutes. To be on pace to reach

natta225 [31]

Answer:

0.25 miles

Step-by-step explanation:

assuming that she keeps a constant Velocity/ speed,

find the speed she intends to run with, ie total distance/time

$\frac{1}{8} miles \: per \: minute$

find the distance she travels in two minutes, ie speed multiplied by time.

$\frac{1}{8} \times 2 = \frac{1}{4 } = 0.25$

4 0

3 years ago

Chord AC intersects chord BD at point P in circle Z.

Alik [6]

In this question, we have to use the intersecting chord theorem, and the formula which is

$AP * CP = BP * DP$

In the given circle, values of AP, CP and DP are 12m, 6m and 5m respectively .

Substituting the values in the formula, we will get

$12*6 = 5BP$

Dividing both sides by 5

$BP = \frac{72}{5} = 14.4 m$

4 0

3 years ago

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Find x if f(x)=2x+7 and f(x)=-1

Natalija [7]

Answer:

$x = -4$

Step-by-step explanation:

$~~~~~~f(x) = -1\\\\\implies 2x +7 = -1\\\\\implies 2x = -1 - 7\\\\\implies 2x = -8 \\\\\implies x = -\dfrac 82 \\\\\implies x = -4$

7 0

1 year ago

Which equation does NOT have the same solution as 1/3 (19 – 2x) = x + 1

Yuri [45]

Answer:

x = 19/2 hope it goes well

3 0

3 years ago

Read 2 more answers