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Semmy [17]
4 years ago
9

Find x in tye given figure ​

Mathematics
1 answer:
GuDViN [60]4 years ago
3 0

Answer:

115°

Step-by-step explanation:

● DAG is equal to 180°

● DAG = DAH + HAG

● HAG IS 130°

● DAG = DAH + 130° => DAH + 130° = 180°

● DAH = 180° - 130° = 50 °

■■■■■■■■■■■■■■■■■■■■■■■■■■

ADH is a triangle

● ADH + DHA + HAD = 180°

● ADH + DHA + 50° = 180°

DHA shares the same vertex with CHE. They are opposite angles so they have the same size (35°)

● ADH + 35° + 50° = 180°

● ADH + 85° = 180°

● ADH = 180° - 85°

● ADH = 95°

■■■■■■■■■■■■■■■■■■■■■■■■■■

BDA equals 180°

● BDA = 180°

● BDH + ADH = 180°

● BDH + 95° = 180°

● BDH = 180° -95°

● BDH = 85°

■■■■■■■■■■■■■■■■■■■■■■■■■■

BDE is a traingle

● BDH+ DEB + EBD = 180°

● 85° + DEB + 30° = 180°

● DEB + 115° = 180°

● DEB = 180° - 115°

● DEB = 65°

■■■■■■■■■■■■■■■■■■■■■■■■■■

CEF equals 180°

● CEF = 180°

● DEB + x° = 180°

● 65° + x° = 180°

● x° = 180° - 65°

● x° = 115°

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Can someone explain this pls. i need help on #6
Oduvanchick [21]

Answer:

4

Step-by-step explanation:

9 times 4 = 36 and 36-10= 26

26 times two is 52

3 times 4 is 12

12 times two is 24

52+24= 76

5 0
3 years ago
S= ut + 1/2 at x2<br> u=10<br> a=-2<br> t=1/2<br> work out the value of s
Alexus [3.1K]

Answer:

s = 4 3/4.

Step-by-step explanation:

The formula is s = ut + 1/2 at^2

so s =  10^1/2 + 1/2 * -2 * (1/2)^2

s = 5 - 1/4

= 4  3/4.

4 0
3 years ago
Assume that adults have IQ scores that are normally distributed with a mean of mu equals 100μ=100 and a standard deviation sigma
Ksivusya [100]

Answer:

51.60% probability that a randomly selected adult has an IQ between 86 and 114.

Step-by-step explanation:

Problems of normally distributed samples are solved using 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.

In this problem, we have that:

\mu = 114, \sigma = 86

Find the probability that a randomly selected adult has an IQ between 86 and 114.

Pvalue of Z when X = 114 subtracted by the pvalue of Z when X = 86. So

X = 114

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

Z = \frac{114 - 100}{20}

Z = 0.7

Z = 0.7 has a pvalue of 0.7580

X = 86

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

Z = \frac{86 - 100}{20}

Z = -0.7

Z = -0.7 has a pvalue of 0.2420

0.7580 - 0.2420 = 0.5160

51.60% probability that a randomly selected adult has an IQ between 86 and 114.

3 0
4 years ago
20 PLS
gizmo_the_mogwai [7]
69.99

20% off of 14.99 is 119.992 then -50 is 69.992 but we round to nearest cent and sence 2 is less than five we round down so jt is 69.99$
5 0
3 years ago
A business has two loans totaling $85,000. One loan has a rate of 4.5% and the other has a rate of 6%. This year, the business e
butalik [34]

Answer:

$30,000 and $55,000

Step-by-step explanation:

If 4.5% loan is x, and the 6% loan is y, then:

x + y = 85000

0.045x + 0.06y = 4650

Solve the system of equations with substitution or elimination.  Using substitution:

0.045x + 0.06(85000 − x) = 4650

0.045x + 5100 − 0.06x = 4650

450 = 0.015x

x = 30000

y = 55000

5 0
3 years ago
Read 2 more answers
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