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IRISSAK [1]
3 years ago
13

Evaluate the following algebraic expression at x=4, y=−3 and simplify your answer. −x−5y−1]

Mathematics
1 answer:
kondaur [170]3 years ago
6 0
-13 hope this answers tour question
You might be interested in
( PICTURE PROVIDED)
12345 [234]

Answer:

2x + 2x+2 = 3x + 1

4x + 2 = 3x + 1

Subtract 3x from both sides

4x - 3x + 2 = 3x - 3x + 1

x + 2 = 1

Subtract 2 from both sides

x + 2 - 2 = 1 - 2

x = -1

Hope this helped!!!

~Shane

6 0
3 years ago
If 2 of the angles of a triangle are 30 and 70 degrees, the third angle measures ...
Vedmedyk [2.9K]

Answer:

The third angle measures 80°

Step-by-step explanation:

Let us solve the question

In any triangle

∵ The sum of the measures of the interior angles of a triangle is 180°

∵ The angle of triangles are ∠1, ∠2, and ∠3

∴ m∠1 + m∠2 + m∠3 = 180°

∵ Two of the angles of the triangle are 30° and 70°

∴ m∠1 = 30°

∴ m∠2 = 70°

→ Substitute them in the rule above

∴ 30° + 70° + m∠3 = 180°

→ Add the like terms

∵ (30 + 70) + m∠3 = 180

∴ 100 + m∠3 = 180

→ Subtract 100 from both sides

∵ 100 - 100 + m∠3 = 180 - 100

∴ m∠3 = 80°

∴ The third angle measures 80°

7 0
3 years ago
A principal of $40,000 will be invested in an account. Bank A has a 5.5% annual interest rate compounded daily. Find the amount
DerKrebs [107]

Answer:

$116800

Step-by-step explanation:

Step one:

given

principal= $40,000

rate= 5.5%

time = 20 years

Step two:

the final amount is expressed as

A= P(1+r)^t

substitute

A= 40000(1+0.055)^2^0\\\\A= 40000(1.055)^2^0\\\\A= 40000*2.92\\\\A=116800\\\\

$116800

7 0
4 years ago
Find (f o g)(x)<br> Consider f(x) = x + 7 and g(x) = x2 –1
natima [27]
<h3>Answer:  x^2 + 6</h3>

Work Shown:

(f o g)(x) = f(g(x))

f(x) = x + 7

f( g(x) ) = g(x) + 7 ... replace every x with g(x)

f( g(x) ) = x^2-1 + 7 .... plug in g(x) = x^2-1

f( g(x) ) = x^2 + 6

(f o g)(x) = x^2 + 6

3 0
3 years ago
Please help this is a project.
Aliun [14]

Answer:

What do you need help with, it looks complete to me.

Step-by-step explanation:

8 0
3 years ago
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