Mathematics, 01.04.2020 01:40 alina1939

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Answer from: hunter0156

a.) False

b.) True

c.) True

d.) False

Step-by-step explanation:

a.) This choice is false because you can't know for sure what will happen in the future. The statement uses the word "will" which suggests that you know for sure what will occur. However, the statement also says "tomorrow" and since no one can tell the future, this statement is false.

b.) This statement is true. Let's set up a ratio to solve this problem.

People who payed using cash : Customers

20 : 80

The statement asks about 40 customers, so we need to divide both sides by 2 in order to make the information relevant.

20 : 80

/2 /2

10 : 40

This ratio shows that 10 people would most likely pay with cash in a group of 40 customers. Therefore, the statement is accurate.

c.) The third statement is true. Let's set up a ratio to solve this problem.

People who payed using a credit card : Customers

24 : 80

To put this information in decimal form, divide 24 by 80.

24/80 = .3

Therefore, .3 customers would probably pay using a credit credit card.

d.) The more participants in a survey, the more accurate the results. Therefore, this statement is false because it states the exact opposite of the truth.

Answer from: Quest

stethere all not eveanp-by-step explanation:

Answer from: Quest

Answer: question no. 1 -a. yes, the sides are in the ratio 2 : 5.question no. 2 -b. 59°question no. 3 -c. angles x and y are remote interior angles.question no. 4 -d. 90°, 45° and 45°question no. 5 -b. mn and qrstep-by-step explanation: question no. 1 -rs : xu = 3 : 7.5 = 2 : 5rt : x? = 6.4 : 16 = 2 : 5st : u? = 6 : 15 = 2 : 5as the ratios of all sides are equivalent, the triangles must be congruent and the sides must be proportional.therefore, the answer is: a. yes, the sides are in the ratio 2 : 5.question no. 2 -in the second diagram, angle b is the only letter not shown. therefore, the number must be equivalent to angle b.if we substitute the value of angle b as being 22° in the first diagram, we can now use the angle sum of a triangle to obtain the value of angle a.angle sum of a triangle = 180°therefore: let angle a = aa + 99 + 22 = 180a = 180 - 99 - 22a = 59°therefore, the answer is: b. 59°question no. 3 -angles x and y don't share the vertex of the triangle with the exterior angle w. remote interior angles don't share a vertex of a triangle with an exterior angle. this means that angles x and y are remote interior angles.therefore, the answer is: c. angles x and y are remote interior angles.question no. 4 -the sum of all interior angles of a triangle must be equivalent to 180°.90°, 45° and 45° are the only set of angle measures that are equivalent to 180°.therefore, the answer is: d. 90°, 45° and 45°question no. 5 -the only pair of sides stated in the options which are corresponding are mn and qr.therefore, the answer is: b. mn and qr.

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