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erastovalidia [21]
3 years ago
12

Giving brainly help find Find m∠H.

Mathematics
1 answer:
emmainna [20.7K]3 years ago
6 0
8X -2 + 5X + 26 =180

13X +24 = 180

13X = 180-24
13x = 156

X = 156/13

X= 12

Now replacing the value of 12 in 5X +26


5* 12 + 26 = 60 + 26 = 86


Mark brainliest please!
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Which of the following expressions are equivalent to 6.53 - (-4.11) + 7.926.53?
umka21 [38]

Answer:

Choice B and Choise C.

Step-by-step explanation:

Equivalent expressions are those expressions that have the same value but they look different.

Given the following expression provided in the exercise:

6.53 - (-4.11) + 7.92

You need to remember the multiplication of signs in order to find the equivalent expressions:

(+)(+)=+\\(-)(-)=+\\(-)(+)=-\\(+)(-)=-

Then:

- Eliminating the parentheses, you get this equivalent expression:

6.53 +4.11 + 7.92

- Since the mulplication of two negative signs gives yous a positive sign, you can rewrite the original expression in this form:

-(-6.53)+4.11-(-7.92)

This is an equivalent expression to 6.53 - (-4.11) + 7.92

8 0
3 years ago
A. 4<br> b. 5<br> c. 9<br> d. 25
trapecia [35]
5t=45
45/5=9

The answer is C
Hope I helped
7 0
3 years ago
There are more answers please help
Dominik [7]

No you type the numbers press = and poof

3 0
3 years ago
What is the solution to the system of equations? y=-5+3, y=1
andrew11 [14]

Answer:

x = 2/5 and y =1    (2/5, 1)

Step-by-step explanation:

I will assume that you meant y = -5x + 3.  If that's the case, then we equate

y = -5x + 3 to y = 1, obtaining:

-5x = -2, so that x = 2/5 and y =1.

7 0
3 years ago
What basic trigonometric identity would you use to verify that sinx cosx tanx=1-cos^2x
andre [41]

Answer:

sin^2x+cos^2x=1 is used to prove the given equation.

Step-by-step explanation:

We have given an equation:

sinx\cdot cosx\cdot tanx=1-cos^2x

We will consider right hand side first

tan x can be written as:

tanx=\frac{sinx}{cosx}

So, on substituting tan x in the left hand side of the given equation we get:

sinx\cdot cosx\cdot \frac{sinx}{cosx}

Cancel common term from denominator and numerator which is cosx we get

sin^2x

And we have an identity:

sin^2x+cos^2x=1

\Rightarrow sin^2x=1-cos^2x

Hence, right hand side is equal to sin^2x.


5 0
3 years ago
Read 2 more answers
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