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3 years ago

Which is the solution to the equation below? -3=t- 12 A-9 C 9 B 4 D 15

Mathematics

1 answer:

omeli [17]3 years ago

4 0

ANSWER:
9 (C)

hope this helps

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A scale on a map shows that 2.5 centimeters represent 15 kilometers.

MrRissso [65]

Answer:

cm for centimeters, km for kilometers.

If 2.5cm → 15 km, then

17.5 cm → x km

x= (15km*17.5cm)/(2.5cm)=105 km

Step-by-step explanation:

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3 years ago

Estimate the area of the parallelogram.

Elan Coil [88]

Answer:

Step-by-step explanation:

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3 years ago

What are the solutions of the quadratic equation x2=9x+6

irina [24]

Question: What is the solution to the equation $\bold{x\cdot \:2=9x+6}$

Answer: $\boxed{\bold{x=-\frac{6}{7}}}$

Explanation: $\downarrow{\downarrow{\downarrow{}}}$

[ Step One] Subtract 9x From Both Sides Of Equation

$\bold{x\cdot \:2-9x=9x+6-9x}$

[ Step Two ] Simplify Equation

$\bold{-7x=6}$

[ Step Three ] Divide Both Sides By -7

$\bold{\frac{-7x}{-7}=\frac{6}{-7}}$

[ Step Four ] Simplify

$\bold{x=-\frac{6}{7}}$

$\bold{\rightarrow{}Rhythm \ Bot\leftarrow{}}$

5 0

3 years ago

Read 2 more answers

HELP ME PLEASE!!,I WILL GIVE BRAINLIEST!!

Aliun [14]

Answer:

Step-by-step explanation:

The answer is correct and cannot be simplified any further. Can I get that brainliest thay you promised me last time?

Hope this helps

8 0

3 years ago

Read 2 more answers

HELP!

tigry1 [53]

Answer:

$b=40.01\ units$

Step-by-step explanation:

we know that

Applying the law of sines

$\frac{b}{sin(B)}=\frac{a}{sin(A)}$

$b=\frac{a}{sin(A)}(sin(B))$

we have

$a=25\ units$

$A=32.5\°$

Find the measure of angle B

Remember that the sum of the interior angles of a triangle must be equal to 180 degrees

$A+B+C=180\°$

substitute the given values

$32.5\°+B+26.8\°=180\°$

$B=180\°-59.3\°=120.7\°$

Find the length side b

$b=\frac{a}{sin(A)}(sin(B))$

substitute the values

$b=\frac{25}{sin(32.5\°)}(sin(120.7\°))$

$b=40.01\ units$

8 0

3 years ago