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densk [106]
4 years ago
8

I'll give you brainliest if you answer! All I need is help with number 15!

Mathematics
1 answer:
Sergio039 [100]4 years ago
6 0

Answer:

120 minutes

Step-by-step explanation:

The lowest number that all three trains times can evenly go into is 120.  60 is not divisible by 8, but 120 is.  So is 12 and 10, so 120.

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Hich is the lowest common denominator that would be used to add these four fractions?
Rzqust [24]

Step-by-step explanation:

To find the LCM, we must check and find the value that all four denominators can divide without a remainder.

Let's take 48

Therefore: 48/8= 6

48/16= 3

48/3= 16

48/2= 24

So, we can see that clearly 48 is our LCM

Therefore; 6(3/8)+3(5/16)+16(2/3)+24(1/2)

=18/48+15/48+32/48+24/48

=(18+15+32+24)/48

=89/48

3 0
3 years ago
Which of the following cannot be used to prove
Ksju [112]

Given:

Different types of congruence postulates.

To find:

Which cannot be used to prove  that two triangles are congruent?

Solution:

According to AAS congruence postulate, if two angles and a non including sides of two triangles are congruent, then triangles are congruent.

According to SAS congruence postulate, if two sides and an including angle of two triangles are congruent, then triangles are congruent.

According to SSS congruence postulate, if all three sides of two triangles are congruent, then triangles are congruent.

AAA states that all three angles of two triangles are equal and no information about sides.

So, it is a similarity postulate not congruent postulate. According to AAA two triangles are similar not congruent.

Therefore, the correct option is D.

4 0
3 years ago
Read 2 more answers
We toss 3 coins 100,000 times. How many times do we expect to see "Exactly 1 Head" appearing?
belka [17]
You will see it only once
3 0
3 years ago
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In triangle QRS, angle Q measures 33.7°, angle R measures 52.3°, and angle S measures 94°. Based on the information that is prov
ratelena [41]

Answer:

side QR = 12.6 cm, side RS = 7 cm, side QS = 10 cm

Step-by-step explanation:

The side opposite to biggest angle is the longest side

         In ΔQRS,

∠S > ∠R > ∠Q

∠S is the biggest and ∠ Q is the smallest angle.

So, the side opposite to ∠S, QR is the longest side and the side opposite o ∠Q , RS is the smallest side.

QR > QS > RS

QR = 12.6 cm  ; QS = 10 cm and  RS = 7 cm

6 0
2 years ago
Estimate the fractional part of the shaded portions below. Explain how you decided
zloy xaker [14]

Answer:

do you have a picture?

8 0
4 years ago
Read 2 more answers
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