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2 years ago

I need help with this and also round the Answer

Mathematics

1 answer:

Leya [2.2K]2 years ago

3 0

I think it’s 135
12x15=180
180 divided by 4/3 or 1 1/3 = 135

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Solve for x 5x 2^3x = 21

GenaCL600 [577]

If u meant to put, 5x multipled by 2^3x=21 the answer is x= 0.798

5 0

2 years ago

(-3/4m)-(1/2)=2+(1/4,)

Aleks [24]

(-3/4m) -(1/2)=2+(1/4m)
-(1/2)=2+m
m= -3/2

5 0

3 years ago

Drag the tiles to the correct boxes to complete the pairs.

navik [9.2K]

A. 9

B. 24

C. 6

D. 16

Step-by-step explanation:

Given ratios are;

A. 2 : 3 = 6 : x

Product of mean = Product of extreme

$6*3=2*x\\18=2x\\2x=18$

Dividing both sides by 2

$\frac{2x}{2}=\frac{18}{2}\\x=9$

B. 4 : 7 = x : 42

Product of mean = Product of extreme

$7x=168$

Dividing both sides by 7

$\frac{7x}{7}=\frac{168}{7}\\x=24$

C. 2x : 48 = 3 : 12

Product of extreme = Product of mean

$2x*12=48*3\\24x=144$

Dividing both sides by 24

$\frac{24x}{24}=\frac{144}{24}\\x=6$

D. 12 : 15 = x : 20

Product of mean = Product of extreme

$15*x=12*20\\15x=240$

Dividing both sides by 15

$\frac{15x}{15}=\frac{240}{15}\\x=16$

8 0

3 years ago

Read 2 more answers

What is the value of c such that x^2+14x+c is a perfect-square trinomial?

polet [3.4K]

Answer: 49

Step-by-step explanation:

a=1 ,b=14, c=?

b^2-4ac =0

(14)^2-4(1)(c)=0

196-4c=0

196=4c

c=49

Check:

(x)^2+2(x)(7)+(7)^2

x^2+14x+49

(x+7)^2

4 0

2 years ago

I need help with these math problem ASASP! Please! The first question....

Mkey [24]

From x equals five to nine, the y value changes as follows
+10,+2,+1,+3
Assuming that "average" implies the mean, the sum of all four values is 15. Then divide 15 by the four values added = 15/4 = 3 3/4 or 3.75

4 0

2 years ago