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cricket20 [7]
3 years ago
15

What type of property is this: -8x=20

Mathematics
2 answers:
9966 [12]3 years ago
6 0

Answer:

i think multiplicative property

Step-by-step explanation:

dlinn [17]3 years ago
3 0

Associative property .

\\ \sf\longmapsto -8x=20

\\ \sf\longmapsto 8x=-20

\\ \sf\longmapsto x=\dfrac{-20}{8}

\\ \sf\longmapsto x=\dfrac{-5}{2}

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The sales tax on a $24 model rocket is $1.92 what is the percent of sales tax
AleksAgata [21]

Input data

Price model rocket = $24

Tax = $1.92

What is the percent of sales tax?

Procedure

r = percent of sales tax

r=\frac{1.92}{24}=0.08=8\text{ \%}

The answer would be 8%

8 0
1 year ago
A 16-ft ladder is placed 4 ft. from the base of a
Alex73 [517]

Answer:

You have a right triangle.

a^2+b^2=c^2

4^2+b^2=256

16+b^2=256

b^2=256-16

b^2=240

b=sqrt240

b=15.49 ft. ans. for the height of the ladder up the wall.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Really need help with this .
lions [1.4K]

Answer:

Step-by-step explanation:

The attached photo shows the diagram of quadrilateral QRST with more illustrations.

Line RT divides the quadrilateral into 2 congruent triangles QRT and SRT. The sum of the angles in each triangle is 180 degrees(98 + 50 + 32)

The area of the quadrilateral = 2 × area of triangle QRT = 2 × area of triangle SRT

Using sine rule,

q/SinQ = t/SinT = r/SinR

24/sin98 = QT/sin50

QT = r = sin50 × 24.24 = 18.57

Also

24/sin98 = QR/sin32

QR = t = sin32 × 24.24 = 12.84

Let us find area of triangle QRT

Area of a triangle

= 1/2 abSinC = 1/2 rtSinQ

Area of triangle QRT

= 1/2 × 18.57 × 12.84Sin98

= 118.06

Therefore, area of quadrilateral QRST = 2 × 118.06 = 236.12

6 0
3 years ago
Read 2 more answers
Arnie's car used 100 cups of gasoline during a drive.He paid $3.12 per gallon of gas.How much did the gas cost?
Elan Coil [88]
There are 16 cups in a gallon. Divide 100 into 16 to get 6.25. You now just multiply 3.12 by 6.25 to get 19.5. Your answer is $19.50. Hope this helps!
7 0
3 years ago
What is 2 2/5×2 7/9 in simplest mixed number form?
Scorpion4ik [409]

Answer:

6 2/3

Step-by-step explanation:

2 2/5 * 2 7/9

Change each number to an improper fraction

2 2/5 = (5*2+2)/5 = 12/5

2 7/9 = (9*2+7) = 25/9

12/5 * 25/9

Rewriting

25/5  * 12/9

5/1 * 4/3

20/3

Now changing to a mixed number

3 goes into 20 6 times with 2 left over

6 2/3

7 0
3 years ago
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