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2 years ago

What are challenges of a mathematics teacher in lower basic school

Mathematics

1 answer:

givi [52]2 years ago

6 0

Answer:

Math teachers face three major challenges: Their beliefs about teaching and learning, their content and pedagogy knowledge, and time for reflection.

Step-by-step explanation:

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Solve the right triangle, ΔABC, for the missing sides and angle to the nearest tenth given angle B = 27° and side c = 15.

nignag [31]

Answer:

Part 1) $C=90\°$

Part 2) $A=63\°$

Part 3) $b=6.8\ units$

Part 4) $a=13.4\ units$

Step-by-step explanation:

step 1

Find the measure of angle C

we know that

The triangle ABC is a right triangle

Angle C is a right angle

therefore

$C=90\°$

step 2

Fin the measure of angle A

we know that

In the right triangle ABC

∠B+∠A=90° -----> by complementary angles

we have

$B=27\°$

substitute

$27\°+A=90\°$

$A=63\°$

step 3

Find the length side b

we know that

In the right triangle ABC

$sin(B)=b/c$

$b=(c)sin(B)$

substitute the given values

$b=(15)sin(27\°)=6.8\ units$

step 4

Find the length side a

we know that

In the right triangle ABC

$sin(A)=a/c$

$a=(c)sin(A)$

substitute the given values

$a=(15)sin(63\°)=13.4\ units$

6 0

3 years ago

What is the radius of a circle whose equation is x2 + y2 + 8x – 6y + 21 = 0?

uysha [10]

Radius=2
center(-2,4)

4 0

3 years ago

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Con 5,2l tenemos para 100km, con 60l para cuantos km tenemos?

liraira [26]

Answer:

Step-by-step explanation:

7 0

2 years ago

The average of three different positive integers is 8. What is the largest integer that could be one of them.

Trava [24]

Supposing that the integers are x, y and z, and that their average is 8, then

x+y+z
-------- = 8, or x + y + z = 24.
3

Let's experiment. Making up a table, we get:

x y z sum (sum MUST be 24)
5 9 10 24
4 9 11 24
3 10 11 24
2 11 11 24
1 11 12 24
1 10 13 24
1 1 22 24

Can't choose integers smaller than 1, so it appears that 22 is the largest possible integer that could be one of x, y and z.

7 0

3 years ago

Study island, Please help? tysm!

9966 [12]

66 CUBIC INCHES ❤️❤️❤️❤️

5 0

3 years ago

What are challenges of a mathematics teacher in lower basic school​

What are challenges of a mathematics teacher in lower basic school