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3 years ago

Need help on the question 6

Mathematics

1 answer:

netineya [11]3 years ago

5 0

Answer:

d. 42 degrees

Step-by-step explanation:

y and 92 are supplemetary angles, which means they both add up to 180 since they are on the straight line.

Hence,

y+92 = 180

y = 180-92

y=88

And now we also know that all the angles of a traingle add up to 180,

so, we can simply find the x by:

88+x+50 =180

138 + x =180

x = 180-138

x = 42

Hope this helps!

Please mark brainliest if you think I helped! Would really appreciate!

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Find the perimeter of the given triangle

trasher [3.6K]

Here it is given that the triangles ABP and DCR are similars, therefore we use the ratio rule which states that

corresponding sides of similar triangles are in same proprtion .

$\frac{AB}{DC} = \frac{BP}{CR}$

that gives

7/10 = BP/11

7*11=10BP

BP=7.7

Again using the ratio rule

$\frac{AB}{DC} = \frac{AP}{DR}$

7/10 = AP/6

42 = 10AP

AP = 4.2

Perimeter= AB+BP+AP = 7+7.7+4.2 = 18.9

Correct option is A.

8 0

3 years ago

The table below shows some values of f(x) and g(x) for different values of x: x f(x) = 9x + 7 g(x) = 5x −2 −11 −1 −2 0 1 1 5 2 C

harina [27]

The Correct Should Be
2

5 0

3 years ago

Read 2 more answers

There are two machines available for cutting corks intended for use in wine bottles. The first produces corks with diameters tha

uranmaximum [27]

Answer:

0.6826 = 68.26% probability that the first machine produces an acceptable cork.

0.933 = 93.3% probability that the second machine produces an acceptable cork.

The second machine is more likely to produce an acceptable cork.

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

What is the probability that the first machine produces an acceptable cork?

The first produces corks with diameters that are normally distributed with mean 3 cm and standard deviation 0.10 cm, which means that $\mu = 3, \sigma = 0.1$