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arlik [135]
3 years ago
6

20 PTS !

Mathematics
2 answers:
vredina [299]3 years ago
8 0
The one represented by integer tiles would be.
B.
sp2606 [1]3 years ago
7 0

Answer:

B) -3+3=0

Step-by-step explanation:

I took the test this is correct.

Please Mark Brainliest!

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Find the area of the triangle to the nearest tenth . Pleaseeee help
tigry1 [53]

Answer:

15.8 cm²

Step-by-step explanation:

Please see attached photo for diagram.

We'll begin by calculating the angle A. This can be obtained as follow:

B = 56°

C = 78°

A =?

A + B + C = 180 (Sum of the angle in triangle)

A + 56 + 78 = 180

A + 134 = 180

Collect like terms

A = 180 – 134

A = 46°

Next, we shall determine the value of b by using the sine rule. This can be obtained:

Side opposite angle C (c) = 7.2 cm

Angle C = 78°

Angle B = 56°

Side opposite angle B (b) =?

b/Sine B = c/sine C

b/Sine 56 = 7.2/Sine 78

Cross multiply

b × Sine 78 = 7.2 × Sine 56

Divide both side by Sine 78

b = 7.2 × Sine 56 / Sine 78

b = 6.1 cm

Finally, we shall determine the area of the triangle. This can be obtained as follow:

Side opposite angle C (c) = 7.2 cm

Side opposite angle B (b) = 6.1 cm

Angle A = 46°

Area (A) =?

A = ½bcSineA

A = ½ × 6.1 × 7.2 × Sine 46

A = 15.8 cm²

Therefore, the area of the triangle is 15.8 cm²

4 0
3 years ago
The figure is made up of a cylinder and a half sphere. What is the volume of the composite figure? Use 3.14 for Pi. Round to the
vodomira [7]

Answer:

Step-by-step explanation:

65

6 0
3 years ago
Read 2 more answers
Emily spent $55 from her savings on a new dress. explain how to descibe the change Emily's savings balance in 2 different ways
Step2247 [10]
S= savings before she bought the dress   s - $55 would be her new balance after she bought the dress.

We could also talk about her savings now (after her purchase).   If we let n=now
n + $55 would be her balance before she bought the dress.
8 0
3 years ago
which of the following is the equation of a line in slope-intercept form for a line with slope = 1/2 and y intercept at (0,-4)?
oee [108]

Answer:

y = \frac{1}{2} x - 4

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = \frac{1}{2} and c = - 4 , then

y = \frac{1}{2} x - 4 ← equation of line

7 0
2 years ago
Find the median and mode of the following data:
jekas [21]
A is 4 and b is 63 have a good day
4 0
2 years ago
Read 2 more answers
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