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Kaylis [27]
3 years ago
13

What would 19 and 4/5 be as a decimal like this:

Mathematics
1 answer:
allochka39001 [22]3 years ago
4 0
19.8

I really didn't understand your question, but if you could give me more details, that'd be great.

#I'm11
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The perimeter of a rectangular swimming pool is represented by the expression 8x – 2.
sineoko [7]

Im pretty sure your answer would be D, 6x

but tell me if im wrong.

5 0
3 years ago
In isosceles $\triangle abc$ (with $ab = ac$), point $d$ lies on $ab$ such that $cd = cb$. if $\angle adc = 115^\circ$, what is
Nuetrik [128]

1. Angles ADC and CDB are supplementary, thus

m∠ADC+m∠CDB=180°.

Since m∠ADC=115°, you have that m∠CDB=180°-115°=65°.

2. Triangle BCD is isosceles triangle, because it has two congruent sides CB and CD. The base of this triangle is segment BD. Angles that are adjacent to the base of isosceles triangle are congruent, then

m∠CDB=m∠CBD=65°.

The sum of the measures of interior angles of triangle is 180°, therefore,

m∠CDB+m∠CBD+m∠BCD=180° and

m∠BCD=180°-65°-65°=50°.

3. Triangle ABC is isosceles, with base BC. Then

m∠ABC=m∠ACB.

From the previous you have that m∠ABC=65° (angle ABC is exactly angle CBD). So

m∠ACB=65°.

4. Angles BCD and DCA together form angle ACB. This gives you

m∠ACB=m∠ACD+m∠BCD,

m∠ACD=65°-50°=15°.

Answer: 15°.

3 0
3 years ago
Read 2 more answers
9. Select all the equations that are equivalent to the equation. 3x - 4 = 5
Zolol [24]

Answer: It would be A, B, and lastly E.

5 0
2 years ago
Read 2 more answers
The sum of 43.9 and a number is 49.65, as shown below. What number should go in the box to complete the addition problem? 43.9 p
Ber [7]
43.9 + n = 49.65
43.9-43.9 + n = 49.65 -43.9
n = 5.75
6 0
3 years ago
Alice and Bill are planning to have three children. (Assume that it is equally likely for a boy or a girl to be born.) What is t
zhuklara [117]

Answer:

\frac{1}{8}

Step-by-step explanation:

Alice and Bill  are planning to have three children

We have to find the probability that all three of their children will be girl.

Sample space =S={BBB,BBG,BGB,GBB,GGG,GBG,GGB,BGG}

Total =8

Number of cases in which all three children are girls={GGG}

Probability,P(E)=\frac{number\;of\;favorable\;cases}{Total\;number\;of cases}

Using the formula

Then , the probability that all three of their children will be girls=\frac{1}{8}

6 0
3 years ago
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