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VARVARA [1.3K]
2 years ago
9

Could anyone please help me ?

Mathematics
1 answer:
timama [110]2 years ago
6 0

Answer:

please one times search answer in search engines ok

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Two sides of a rectangular desktop are 3 feet long. The area of the desktop is 15 square feet. What's the perimeter of the deskt
Levart [38]
45 hope that helps for you
7 0
3 years ago
Simplify the expression 9t^2+14-17t+6t-8t^2
slamgirl [31]

Answer:

t^2 - 11t + 14

Step-by-step explanation:

Begin by grouping like terms in 9t^2+14-17t+6t-8t^2.

First we have 9t^2 - 8t^2, or 1t^2.

Next, we have -17t + 6t, or -11t.

Last, we have the constant term 14.

The expression in simplified form is t^2 - 11t + 14.

6 0
3 years ago
I need shown work with numbers or an explanation if need.
sveticcg [70]

Let us denote the semi arcs as congruent angles. This means that angles FEJ and EFJ are congruent (That is, they have the same measure). Since angles FEJ and EFJ have the same measure, this implies that sides EJ and FJ are equal. Since angles EJK and FJH are supplementary angles to angle EJF, this implies that EJK and FJH have the same measure.

Using the Angle Side Angle (SAS) criteria, we determine that triangles EKJ and triangle FJH are congruent. This implies that sides EK and FH are equal and that angles EKJ and FHJ are congruent. Note that angle EKJ is the same as EKF and that FHJ is the same as FHE.

Once again, since angles EKF and FHJ are congruent, and angle EKD is supplementary to the angle EKJ when angle FHG is supplementary to angle FHJ, then we have that angles EKD and angle FHG are congruent.

Using again the SAS criteria, we determine that triangles EKD and FHG are congruent.

From this reasoning, we have proved the following facts:

Triangle DEK is congruent to triangl GFH

Angle EKF is congruent to angle FHE

Segment EK is the same as segment FH

4 0
1 year ago
Need help with this ​
blagie [28]

Answer:

-5x^2-26

Step-by-step explanation:

(f\:o\:g)=f(g(x))\\\\f(g(x))=-5(x^2-5)-1\\\\=-5x^2-25-1\\\\=-5x^2-26

3 0
3 years ago
Simplify the following expression -12(5x-4)
faltersainse [42]
The answer would be 60x-48
3 0
3 years ago
Read 2 more answers
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