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3 years ago

Can I get an answer for this plzzz

Mathematics

1 answer:

IceJOKER [234]3 years ago

7 0

Answer:You are just converting a larger unit into a smaller unit easy peasy

Step-by-step explanation:

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when solving an equation, which is the best first step to begin to simplify the equation? -2(x+3)=-10

alekssr [168]

Answer: Following the rules of PEMDAS, you want to divide both sides of the equation by -2. This would change your equation to x+3=5. Then you move your constant to the right-hand side and change its sign. Your equation is now x=5-3. subtract 5-3 and your answer is x=2.

6 0

3 years ago

I need help to fill in the blanks.. please

Murljashka [212]

Answer:

Part a) alternate interior angles theorem

Part b) vertical angles theorem

Part c) AA Similarity theorem

Part d) triangle ABC is similar with triangle EDC

Part e) The length side b is 3 cm

Step-by-step explanation:

Part a) we know that

The Alternate Interior Angles Theorem states that, when two parallel lines are cut by a transversal , the resulting alternate interior angles are congruent. Each pair of these angles are inside the parallel lines, and on opposite sides of the transversal.

In this problem

The transversal is the segment BD and the parallel lines are AB and DE

$m\angle 1=m\angle 4$ ----> by alternate interior angles theorem

Part b) we know that

Vertical Angles Theorem states that vertical angles are congruent. Vertical Angles are the angles opposite each other when two lines cross.

In this problem, the two lines that cross are BD and AE

$m\angle 5=m\angle 6$ ----> by vertical angles theorem

Part c) we know that

The AA Similarity Theorem states: If two angles of one triangle are congruent to two corresponding angles of another triangle, then the triangles are similar

In this problem

triangle ABC is similar with triangle EDC by AA Similarity Theorem

Because

$m\angle 1=m\angle 4$ ----> by alternate interior angles

$m\angle 5=m\angle 6$ ----> by vertical angles

Part d) triangle ABC is similar with triangle EDC by AA Similarity Theorem

see the explanation Part c)

Part e) Find the length of side b

we know that

If two triangles are similar, then the ratio of its corresponding sides is proportional and its corresponding angles are congruent

we have that

triangle ABC is similar with triangle EDC

Applying proportion

$\frac{BC}{DC}=\frac{AC}{EC}$

substitute the given values

$\frac{2}{DC}=\frac{5}{7.5}$

solve for DC

$DC=2(7.5)/5=3\ cm$

therefore

The length side b is 3 cm

6 0

3 years ago

Please answer both for FP! 2(45*67)-56 3*78/45 -3 + 2x = 11

alisha [4.7K]

Answer:

2 ( 45 ⋅ 67 ) − 56 = 5974

Step-by-step explanation:

5 0

3 years ago

Can some help me with this problem please -41=-2/5(45n+60)+n

liq [111]

Answer:

Step-by-step explanation:

I will ASSUME you mean

-41 = (-2/5)(45n + 60) + n

and not -41 = -2/(5(45n + 60)) + n

or -41 = -2/(5(45n + 60) + n)

-41 = (-2/5)(45n + 60) + n

distribute the (-2/5)

-41 = -18n - 24 + n

combine like terms

17n = 17

reduce to simplest form

n = 1

8 0

3 years ago

Read 2 more answers

What is the ratio equivalent to 49:35

Scorpion4ik [409]

The equivalent ratio is 7:5

3 0

3 years ago