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Lady_Fox [76]
3 years ago
12

At a rate of 25 miles an hour, it takes Henry 15 minutes

Mathematics
1 answer:
never [62]3 years ago
3 0
6.25 miles

15•(1/60)•25
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Which algebraic expression is equivalent to the expression below? 7 (5x+8) -6
tia_tia [17]

Answer:

(35x+56)-6

Step-by-step explanation:

distrubuting

6 0
3 years ago
Solve this system of equations using the elimination method.<br><br> 3x − 2y = 0<br><br> 2x + y = 7
serg [7]

Answer:

(2,3)

If you have any questions about the way I solved it, don't hesitate to ask ÷)

8 0
3 years ago
Given sinx= −3/5 when 3π/2 &lt; x &lt; 2π, find tan x/2
GarryVolchara [31]

Answer:

B -⅓

Step-by-step explanation:

sinx = -3/5

Adjacent² = 5² - 3² = 16

Adjacent = 4

tan(x) = -3/4

-¾ = 2tan(½x)/[1 - tan²(½x)]

-3 + 3tan²(½x) = 8tan(½x)

3tan²(½x) - 8tan(½x) - 3 = 0

tan(½x) = 3, -⅓

5 0
3 years ago
Read 2 more answers
Please help i don't even where to start<br><br>solve for x​
aliina [53]

The radius is 10, so the diameter is 20. This means the parts of the diameter (the chord through the center P) to the left and right of the vertical chord have lengths 16 and 4, respectively.

Because the horizontal chord is a diameter, the vertical chord is cut in half, so its parts above and below the diameter both have length <em>x</em>.

Now, by the intersecting chord theorem,

16×4 = <em>x</em> × <em>x</em>

or

<em>x</em> ² = 64

so that

<em>x</em> = 8

6 0
3 years ago
Which system is equivalent to<br> y= 9x^2<br> x+y=5<br> ?
melomori [17]

Answer : Option A

Explanation:

we can clearly see that from x+ y=5 we can substitute  y = 5-x in y = 9x^2

Option B is clearly incorrect  x can not be y -5

Option C  is incorrect because y can not be 5 +x

Option D is incorrect because  its y = 9x^2 not y^2 =9x^2 so y can not be 3x

if its y^2 = 9x^2 then  only  implies y =  3x

7 0
3 years ago
Read 2 more answers
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