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Vikentia [17]
3 years ago
6

How many dimes are equal to $9? (10 dimes = $1.00)

Mathematics
2 answers:
FrozenT [24]3 years ago
8 0
90 dimes cuz if 10dimes equal 1.00 than 90 dimes got to be equal to 9.00
Ivanshal [37]3 years ago
3 0
90 dimes. Hope I helped
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A rectangle has an area of 18 square units. What can be said of its height and width? Check all that apply.
Eddi Din [679]

Answer: A, B, and C

Step-by-step explanation:

Area = Length x Width

A. With these dimensions, the area would be 18 sq units

1 * 18 = 18

B. With these dimensions, the area would be 18 sq units

3 * 6 = 18

C. With these dimensions, the area would be 18 sq units

6 * 3 = 18

D. With these dimensions, the area would be 80 sq units

8 * 10 = 80

8 0
2 years ago
Prove the sum of two rational numbers is rational where a, b, c, and d are integers and b and d cannot be zero. Steps Reasons 1.
harkovskaia [24]

Answer:

\dfrac{ad+bc}{bd}

Step-by-step explanation:

Let \frac{a}{b} and \frac{c}{d} be two rational numbers, where b and d are not zero and a, b, c and d are integers.

1. Given:

\dfrac{a}{b}+\dfrac{c}{d}

2. Multiply to get a common denominator :

\dfrac{a}{b}+\dfrac{c}{d}=\dfrac{ad}{bd}+\dfrac{cb}{db}

3. Simplify:

\dfrac{a}{b}+\dfrac{c}{d}=\dfrac{ad}{bd}+\dfrac{cb}{db}=\dfrac{ad+bc}{bd}

4. Since b\neq 0,\ d\neq 0, then bd\neq 0.

If a,b,c,d are integers, then bd, ad,bc, ad+bc are integers too. So the fraction

\dfrac{ad+bc}{bd}

is a rational number

6 0
3 years ago
Read 2 more answers
Which equation means the same as two more than the number of
mario62 [17]

Answer:

D. a + 2 = 5

Step-by-step explanation:

apples + 2 more = 5 total

8 0
3 years ago
KM bisects ∠LKJ. If m∠LKM = 4x + 12 and m∠MKJ = 6x - 6, find the value of x. *
riadik2000 [5.3K]

Given that,

KM bisects ∠LKJ.

m∠LKM = 4x + 12 and m∠MKJ = 6x - 6

To find,

The value of x.

Solution,

As KM bisects ∠LKJ. It would mean that,

m∠LKM = m∠MKJ

Putting the above values,

4x+12=6x-6

We can solve the above equations as follows :

4x-6x=-12-6

-2x=-18

x=9

Therefore, the value of x is equal to 9.

6 0
3 years ago
1.3b^2 t 4b+1 when b=-2
lutik1710 [3]
1- 3(-2^2t)-7
2- 12+5=17
3- -10-6= -16
4- 2(-5^3)= -250

I can’t find the first one because of t
4 0
3 years ago
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