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mel-nik [20]
3 years ago
5

Will mark as brainliest Simplify 5 - 2 · 3 + 4.

Mathematics
2 answers:
alexandr1967 [171]3 years ago
8 0

Answer:

3

Step-by-step explanation:

order of operations says, first we do the multiplication

5-6+4

then we do subtraction

-1+4

and do the addition

3

hope this helped!

musickatia [10]3 years ago
6 0

Answer:  3

Step-by-step explanation:

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daser333 [38]

Answer:

Step-by-step explanation:

2 - Corresponding angles theorem

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3 years ago
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PLEASE HELP AND SHOW WORK​
Lelechka [254]
X=44°

you write 2x-6=82, subtract 6 on both sides so ur left with 2x=88, you divide both sides by 2 and you get 44
8 0
3 years ago
Factor and find the zeros. z^2-z+56
Inessa [10]

Answer:

Sry its long but if your to lazy to look thru it here is the answer=   z = {-7, 8}

Step-by-step explanation:

Simplifying

z2 + -1z + -56 = 0

Reorder the terms:

-56 + -1z + z2 = 0

Solving:

-56 + -1z + z2 = 0

Solving for variable 'z'.

Factor a trinomial.

(-7 + -1z)(8 + -1z) = 0

Subproblem 1

Set the factor '(-7 + -1z)' equal to zero and attempt to solve:

Simplifying:

-7 + -1z = 0

Solving:

-7 + -1z = 0

Move all terms containing z to the left, all other terms to the right.

Add '7' to each side of the equation.

-7 + 7 + -1z = 0 + 7

Combine like terms: -7 + 7 = 0

0 + -1z = 0 + 7

-1z = 0 + 7

Combine like terms: 0 + 7 = 7

-1z = 7

Divide each side by '-1'.

z = -7

Simplifying:

z = -7

Subproblem 2

Set the factor '(8 + -1z)' equal to zero and attempt to solve:

Simplifying:

8 + -1z = 0

Solving:

8 + -1z = 0

Move all terms containing z to the left, all other terms to the right.

Add '-8' to each side of the equation.

8 + -8 + -1z = 0 + -8

Combine like terms: 8 + -8 = 0

0 + -1z = 0 + -8

-1z = 0 + -8

Combine like terms: 0 + -8 = -8

-1z = -8

Divide each side by '-1'.

z = 8

Simplifying:

z = 8

Solution

z = {-7, 8}

4 0
2 years ago
Consider this right triangle with given measures.
OlgaM077 [116]

Answer:

\sqrt{39}

Step-by-step explanation:

I think the answer choices were supposed to be:

\sqrt{3} , \sqrt{6} , \sqrt{39} , \sqrt{89}

Pythagorean Theorem: a²+b²=c²

5²+b²=8²

25+b²=64

<em>Subtract 25 from both sides</em>

b²=39

<em>Square root both sides</em>

b=\sqrt{39}

Our answer is \sqrt{39}

8 0
3 years ago
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Let X = {1, 2, 3, 4, 5, 6, 7, 8, 9}, y = {0, 2, 5, 8, 12, 13, 17, 19}, and Z = {z|z is an even integer less than 19}. Find X ∩ Y
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The answer to your question is c
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