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Nataliya [291]
3 years ago
9

Help please !! In a rush for my next homework

Mathematics
2 answers:
leonid [27]3 years ago
6 0
All work is shown below

Luda [366]3 years ago
5 0
16--(3) $17
17--(3) $64
18--(2) $18
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15 years from now Ravi's age will be 4 times his present age what is Ravi's present age​
irga5000 [103]

Answer:

Ravi’s present age will be 5.

Step-by-step explanation:

From the given, Let Ravi’s present age is taken as "a" years.  

After 15 years, his age = (a+15) years.  

By the given, it is identified that the age of Ravi after 15 years is equal to the 4 times of his present age.

Given,  

a+15+4a\\4a-a+15\\3a=15\\a=15/3\\a=5

Then, it has been found that the present age of Ravi is 5 when his age after 15 years will be 4 times of his present age.  

6 0
3 years ago
Read 2 more answers
Which is 2/3 of 18?<br><br> a.27<br> b.12<br> c.8<br> d.6
jarptica [38.1K]

Answer:

B. 12

Step-by-step explanation:

SO 2/3 of 18 is basically saying multiply them together

Every time you see the word “of” Basically means multiply.

23*18=12

8 0
3 years ago
Amira is painting a rectangular banner 2 1/4 yards wide in the cafeteria. The banner will have a blue background. Amira has enou
Dominik [7]

we know that

the area of the rectangular banner is equal to

A=W*h

where

W is the wide of the banner

h is the height of the banner

in this problem

W=2\frac{1}{4} \ yards=\frac{(4*2+1)}{4} =\frac{9}{4} \ yards

A=1\frac{1}{2} \ yards^{2} =\frac{(1*2+1)}{2} =\frac{3}{2} \ yards^{2}

In the formula of the area solve for h

A=W*h\\ \\ h=\frac{A}{W}

Substitute the values of W and A

h=\frac{\frac{3}{2}}{\frac{9}{4}}  \\ \\ h=\frac{2}{3} \ yards

therefore

the answer is

the height of the banner is \frac{2}{3} \ yards

4 0
3 years ago
Read 2 more answers
In △ABC, m∠A = α, m∠B = β, m∠C = γ. AB = c, AC = b, BC = a. Find the areas of the triangles if the following parts are given.
Mazyrski [523]
A = c/sin C, and b by the proportion b/sin B = c/sin C.

a/sin 37° = 4380/sin 109°
a sin 109° = 4380 sin 37°
a = 4380 sin 37°/sin 109° ≈ 2787.8

b/sin 34° = 4380/sin 109°
b sin 109° = 4380 sin 34°
b = 4380 sin 34°/sin 109° ≈ 2590.4
6 0
3 years ago
ASAP!! ILL GIVE BRAINLEST
densk [106]

Answer:

A^-1:B^-1

Step-by-step explanation:

im not 100% sure but i think this is the right answer :)

8 0
3 years ago
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