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Tcecarenko [31]
3 years ago
8

Can someone please help me with this question, I'm stuck !

Mathematics
1 answer:
kow [346]3 years ago
3 0
I think B. Don't question me about it tho.
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√7.5×√3.5 step and answer​
irina1246 [14]

Answer:

√105/2

Step-by-step explanation:

Given the surd expression √7.5×√3.5, this can also be expressed as;

√7.5×√3.5

= √75/10 × √35/10

= √(75×35)/10×`10

=√105×25/100

= 5√105/√100

=5√105/10

=√105/2

Hence the required expression a √105/2

4 0
3 years ago
Need some help with the answer to the question
kicyunya [14]

Answer:

(- 4, 27 )

Step-by-step explanation:

Equate the right sides of both equations, that is

x² - 2x + 3 = - 2x + 19 ← subtract - 2x + 19 from both sides

x² - 16 = 0 ← in standard form

(x - 4)(x + 4) = 0 ← in factored form

Equate each factor to zero and solve for x

x - 4 = 0 ⇒ x = 4

x + 4 = 0 ⇒ x = - 4

Substitute these values into f(x) = - 2x + 19

f(4) = - 2(4) + 19 = - 8 + 19 = 11 ⇒ (4, 11 )

f(- 4) = - 2(- 4) + 19 = 8 + 19 = 27 ⇒ (- 4, 27 )

8 0
3 years ago
What is the answer to x-2=7
saul85 [17]

x-2=7

apply additon property of equality

x-2+2=7+2

x=9

6 0
3 years ago
it took Otis 6 hours to travel to the Grand Canyon. Along the way he took 18 min. to get gasoline and 53 min. to eat. How much t
ANEK [815]

Answer:

The answer is 4 hours and 49 minutes

Step-by-step explanation:

7 0
2 years ago
If the functions are linear, write than in f(x)= ax+b form.
Norma-Jean [14]
The answer is 2x-8 and 1/7+7
5 0
3 years ago
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