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gavmur [86]
3 years ago
9

True or False? (9x - 8) - (x + 4) = 8x +12

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
3 0

Step-by-step explanation:

(9x-8)-(x+4)=8x+12

9x-8-x-4=8x+12

8x-12=8x+12 (no it's not)

So it's false.

Hey guys! I need help with this question urgently, so could you please help me out? Thanks in advance! Merry Christmas!

Question: brainly.com/question/19989741

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How much principal must be deposited in a 2 year simple interest account that pays 1.75% interest to earn $300 in interest?
ollegr [7]

Answer:

Step-by-step explanation:

3 0
2 years ago
What is the value of x?
Phantasy [73]

Answer:

value of x = 5.8 mm

Step-by-step explanation:

We have given,

Two right triangles EDH and EDG.

In right triangle EDH, EH = 56mm , DH = 35 mm

Using Pythagoras theorem we can find ED.

i.e EH² = ED²+DH²

56²=ED²+35²

ED²=56²-35²

ED = √(56²-35²) = 7√39 = 43.71 mm

Now, Consider right triangle EDG

Here, EG=44.8mm , GD = x+4  and ED = 7√39

Again using Pythagoras theorem,

EG² = ED² + DG²

44.8²= (7√39)²+ (x+4)²

(x+4)² = 44.8² - (7√39)²

x+4 = √(44.8² - (7√39)²)

x+4 = 9.8

or x = 9.8 - 4 = 5.8 mm

Hence we got the value of x = 5.8 mm

6 0
3 years ago
The quantity of Sensitech laser gaming mice demanded each month is related to the unit price by the equation p = 480.03x2 + 1 (0
stich3 [128]

Answer:  a) p=480.03x^2+1, b) R'(x)=1440.09x^2+1 c) $5761.36.

Step-by-step explanation:

Since we have given that

Unit price is expressed as

p=480.03x^2+1

Let x be the number of units of a thousands.

So, Revenue function is given by

R(x)=px\\\\R(x)=x(480.03x^2+1)\\\\R(x)=480.03x^3+x

.(b) Find the marginal revenue function R'..

Marginal revenue function becomes,

R'(x)=3\times 480.03x^2+1\\\\R'(x)=1440.09x^2+1

(c) Compute R'(2).

R'(2)=1440.09(2)^2+1\\\\R'(2)=5760.36+1\\\\R'(2)=5761.36

Hence, a) p=480.03x^2+1, b) R'(x)=1440.09x^2+1 c) $5761.36.

5 0
3 years ago
Evaluating an Expression
Anna35 [415]

Answer:

130

Step-by-step explanation:

18+(4x28)

=18+112

=130

Remember PEMDAS!

5 0
3 years ago
Read 2 more answers
If h(-8), find 1/3*h(x) = x^2-5x+7
Lynna [10]

The value is 333

<h3>How to determine the function</h3>

From the information given, we have:

  • x = - 8
  • 1/3*h(x) = x^2-5x+7

Now, let's substitute the value of 'x' in the function:

1/3*h(x) = x^2-5x+7

1/ 3 × h(-8) = ( - 8)² - 5 ( -8) + 7

Make 'h ( -8)' the subject of formula

h ( -8) = \frac{( -8)^2 - 5(-8) + 7}{1/ 3}

h ( -8) = \frac{64 + 40+ 7 }{1/ 3}

Take the sum of the numerator

h ( -8) = \frac{111}{1/3}

Take the inverse of the denominator and multiply

h ( -8) = 111 × 3/ 1

h ( -8) = 333

We can see that through the substitute of the value of x as - 8, we get 333

Thus, the value is 333

Learn more about algebraic expressions here:

brainly.com/question/723406

#SPJ1

7 0
2 years ago
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