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3 years ago

I’m confuse I need help

Mathematics

2 answers:

saul85 [17]3 years ago

5 0

Answer:

f(-5) = -5/4

Step-by-step explanation:

inn [45]3 years ago

4 0

Answer:

Answer is -1/20

Step-by-step explanation:

Hope this helps.

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Given the equation 3x + 7 = -4, which

Pavel [41]

Answer:

Subtraction Property of Equality

Step-by-step explanation:

you should subtract both side with 7 first.

7 0

3 years ago

43 17 30 52 61 12 21 30 11 27 for mean,median,mode,and range

tester [92]

The mean is 30.4 the median is 28.5 the mode is 30 and the range is 50

7 0

3 years ago

2 3/5 ×5/6 = what does it equel

wolverine [178]

Your answer is 2 and 1/6

6 0

3 years ago

Please help me asap!!!!!!

padilas [110]

Answer:

z-12

Step-by-step explanation:

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3 0

2 years ago

Can someone help me with this thanks

Ugo [173]

The length of the brace required is 4.3m

What is sine rule?

In a ΔABC a, b and c are the sides and A, B and C are angles then,

$\frac{a}{SinA}=\frac{b}{sinB}=\frac{c}{sinC}$

We can find the length, l as shown below:

Let AB=3m, BC=2m and AC=l

Let ∠A=25°

So, in ΔABC

$\frac{BC}{sinA}=\frac{AB}{sinC}=\frac{AC}{SinB}$

$\frac{BC}{sinA}=\frac{AB}{sinC}$

$\frac{2}{sin25}=\frac{3}{sinC}$

$\angle{C}=sin^{-1}(\frac{3\times sin25}{2} )$

∠C=39.34°

∠A+∠B+∠C=180°

∠B=180°-25°-39.34°

∠B=115.66°

$\frac{BC}{sinA}=\frac{AC}{SinB}$

$\frac{2}{sin25}=\frac{l}{sin(115.66)}$

$l=\frac{2\times sin(115.66)}{sin25}$

l=4.2659

Rounding to nearest tenth of meter.

l=4.3m

Hence, the length of the brace required is 4.3m

Learn more about Sine Rule here:

brainly.com/question/25852087

#SPJ1

8 0

1 year ago