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Katarina [22]
2 years ago
9

Can someone answer these? 2(4x+5)=8x+10and2(4v-9)-(3v-11)=-52

Mathematics
2 answers:
belka [17]2 years ago
8 0
The answer for the first one would be 5=10 which would be no solution because 5 does not equal 10. The second answer would be 4.6 but if you can't use decimals then the answer would be -23/5 but that might be the wrong answer but that is what i got
Irina18 [472]2 years ago
7 0
For the first one, we will have to factor out the numbers. So 2 times 4x is 8x and 2 times 5 is 10. Our new expression will now be 8x + 10 = 8x + 10. Now, since these are equal, x must equal 1.
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Nataly [62]

The number of marbles in the bag illustrates probability

The conclusion about the number of marbles in the bag is that the bag can only contain one type of marble

<h3>The number of marbles in the bag?</h3>

The probabilities are given as:

P(Red) = 1

P(Green) = 1

For a distribution, the sum of all probabilities must equal to 1.

This means that:

P(Red) + P(Green) = 1

So, we have:

1 + 1 = 1

This gives

2 = 1

The above equation is false because 2 does not equal to 1.

So, the conclusion about the number of marbles in the bag is that the bag can only contain one type of marble i.e. either red marbles are in the bag or blue marbles are in the bag

Read more about probability at:

brainly.com/question/251701

5 0
2 years ago
I put the wrong picture on the last one but this is still due soon
fgiga [73]

Answer:

The point ”A“ is the point that corresponds to the last entry in the table.

Step-by-step explanation:

5 0
3 years ago
The principal observes 8th grade the following day. Of the 120 students, 42 brought their lunch from home, 72 purchased lunches,
Rama09 [41]

Answer:

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Step-by-step explanation:

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8 0
2 years ago
You earn $7.50 per hour at a fast food restaurant. You earned $123.75 last week. How many hours did you work last week?
ladessa [460]
I believe you would need to divide 123.75 by 7.50.

The equation would look something like this:
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3 0
3 years ago
The angles in a triangle are in the ratio 1:2:3. Show that the triangle is a right - angled triangle.
Alja [10]

Answer:

Angles in a triangles add up to 180°

Respectively 1 : 2 : 3 is going to be 1 x , 2 x and 3 x so,

1 x + 2 x + 3 x = 180°

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6 x = 180°

⇒ Divide by 6 on both sides to isolate x

x = 30°

Since the ratio was 1 x : 2 x : 3 x and x is 30°,

30 : 60 : 90

And since there is a 90° angle, it is a right - angled triangle

4 0
3 years ago
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