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Leni [432]
3 years ago
15

Helpppppp meeeee plzzzzzzzzzz

Mathematics
1 answer:
djyliett [7]3 years ago
8 0

Answer:

they got -21 when they were supposted to get +21

and they also got +6x when they were supposted to get -6x

Step-by-step explanation:

that's because -3 and 2x are multiplied together and when you are multiplying negative and positive number you need to get negative result.

when you are multiplying negative with negative number, you will get positive number.

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The polygons in each pair are similiar help find the missibg length???
MariettaO [177]

Answer:

x = 40.

Step-by-step explanation:

The corresponding sides are in the same proportion so:

45/ 27 = 30/18 = x/24

Consider the last 2 fractions:

30/18 = x/24

5/3 = x/24           Cross multiply:

3x = 5 * 24

x =  120 / 3

x  = 40.

5 0
3 years ago
Find the value of x. 50 points
notka56 [123]
The answer is 138
Because the angle is 180 and what I did was 2 x 21 = 42 and I did 180-42 equals to 138
7 0
1 year ago
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Week 5 Quiz - Saving (15pts) 1. If the interest rate on a savings account is 0.01%, approximately how much money do you need to
LenaWriter [7]
In order to calculate the minimum amount required, we will first round the below-minimum-balance fee to $10. Next, we will use the equation:
A = I * (IR)^n, where A is the amount after n years and I is the initial investment and IR is the interest rate per year.
10 = I*(0.0001)^1
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4 0
3 years ago
Tim has some marbles.
snow_tiger [21]

Answer:

Let x = the number of marbles Tim has

Let 2x = the number of marbles Sue has

x + 2x + 15 = 63

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x = 16 marbles

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Ms. Lee works at a pizzeria. She delivers an average of 3 pizza orders per hour. The pizzeria is offering a bonus to employees w
alexandr1967 [171]

Answer:

58 hours.

Which can also be 2days 10 hours.

Step-by-step explanation:

3 pizza orders = 1hour

200 deliveries per month= bonus

26 orders so far this month.

X= 200-26= 174

174 divided by 3 = 58 hours.

6 0
3 years ago
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