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Shalnov [3]
2 years ago
14

AAAAAAAAA help please​

Mathematics
1 answer:
Firdavs [7]2 years ago
4 0
The answer is the first one BC ~ CD
Ok done. Thank to me:>
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Which number line models the solution set of -2x + 7 > 17?
Darina [25.2K]

Answer:

-5

Step-by-step explanation:

-2x+7>17

-2x>17-7

-2x>10

Divide both sides by -2

-2x<10

-2 -2

x<-5

Note:when dividing with a negative the signs changes

7 0
2 years ago
Read 2 more answers
Please help with via math I suck at math so plz help... will give brainiest to the person I think gave the best answer.
irga5000 [103]
4:3 for the ratio and for the word ratio you can say that there is 4 squares and 3 triangles
6 0
3 years ago
The cost for 7 dance lessons is 82$. The cost for 11 lessons is 122$. Write and solve an equation to find the cost of 4 lessons
Juliette [100K]

Answer:

$52

Step-by-step explanation:

Using the equation

y=mx+c

82=7x+c

122=11x+c

11x-7x=122-82

4x=40

x=10

To get c

82=7(10)+c

82-70=c

c=12

For 4 lessons

y=10(4)+12=52

6 0
3 years ago
Jackie has $32.50 to buy a new pair of jeans. The pair she likes costs $38 but is marked “20% off ticketed price.” The sales tax
ohaa [14]
Hello! So, the jeans are 20% off of the original price. While she gets 20% off of the jeans, she still has to pay 80% of the price. To find out the discount price, multiply 38 by 80% (0.8). 38 * 0.8 is 30.4 $30.40 is the discount price. There is 5% tax on the item. First off, let's add 1 to the rate. 5% is 0.05 in decimal form. 1 + 0.05 is 1.05. We add 1 to the percentage rate, because adding that and multiplying that amount will bring us straight to the new price. Now, multiply 30.4 and 1.05 together to get the new price. When you do, you get 31.92. $31.92 is the price of the jeans. 31.92 < 32.50. Jackie has enough money to buy the jeans.
4 0
2 years ago
The volume of a suitcase is 4.2 cubic feet. What is the volume of a suitcase that is smaller by a factor of 0.9.
Mariulka [41]
4.2 cubic feet * 0.9 = 3.78 ft^3
4 0
3 years ago
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