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puteri [66]
2 years ago
8

Which expression is the best estimate of 1.25 + (-2.69)?

Mathematics
1 answer:
Nitella [24]2 years ago
4 0

Answer:

C. 2 + (-3)

Step-by-step explanation:

-2.69 can be rounded to -3 and 1 can be rounded to 2

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ASAP ! The radius of a circle is 12 ft.
vfiekz [6]

Answer:

Area of sector bounded by angle = 100.37 ft² (Approx.)

Step-by-step explanation:

Given:

Radius of a circle = 12 feet

Arc angle θ = 80°

Find:

Area of sector bounded by angle

Computation:

Area of sector bounded by angle = [θ/360][πr²]

Area of sector bounded by angle = [80/360][(3.14)(12)²]

Area of sector bounded by angle =[0.22][(3.14)(144)]

Area of sector bounded by angle = [0.22][452.16]

Area of sector bounded by angle = 100.37 ft² (Approx.)

4 0
3 years ago
Help me plss I have a f
Serjik [45]

Answer:

31/3 or 31 over 3

Step-by-step explanation:

If you do the whole number (10) times the denominator (bottom number of the fraction,in this case 3) the add the numerator (top number of the fraction,in this case 1) you will get your improper fraction.

3 0
2 years ago
Match the following reasons with the statement givem
ANEK [815]

Answer:

AAS(Angle-Angle-Side) postulate states that if two angles and the non-included side one triangle are congruent to two angles and the non-included side of another triangle, then the two triangles are congruent

In triangle RAS and triangle QAT

\angle R =\angle Q   [Angle]

AS =AT    [Side]                                       [Given]

By Base Angle Theorem states that in an isosceles triangle(i.e, AST), the angles opposite the congruent sides(AS =AT) are congruent.

⇒ \angle 5= \angle 6      [By base ∠'s of isosceles triangle are equal]

By definition of supplementary angles, if two Angles are Supplementary when they add up to 180 degrees.

\angle 4, \angle 5 are supplementary and \angle 6, \angle 7 are supplementary.

⇒\angle 4+ \angle 5 =180^{\circ} and

\angle 6+ \angle 7 =180^{\circ}  

Two \angle 's supplementary to equal \angle 's

\angle 4+ \angle 5 =\angle 6+ \angle 7

Since,  \angle 5 =\angle 6  

then, we get;

\angle 4 =\angle 7  [Angle]

then, by AAS postulates,

\triangle RAS \cong \triangle QAT

By CPCT[Corresponding Part of Congruent Triangles are equal]

RS = QT              Hence Proved!

7 0
3 years ago
What is the x-coordinate of the solution for the system of equations?
Digiron [165]
2x+2y=-10
-x+y. = 9

2x + 2y = -10
-2x + 2y = 18

4y = 8

y= 2

2 - x = 9

-x = 7

x = -7
8 0
3 years ago
What is equivalent to<br> 22c+33d
Fofino [41]

Answer:

11 (2c+3d)

Step-by-step explanation:

3 0
3 years ago
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