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Sunny_sXe [5.5K]
3 years ago
15

Find the measure of the missing angle.

Mathematics
2 answers:
melamori03 [73]3 years ago
4 0

Answer:

It's 155

Step-by-step explanation:

Since the whole angle is 180

And u got 25

So 180-25=155

Reptile [31]3 years ago
4 0

Answer:

155

Step-by-step explanation:

a+25=180

a. =180-25

a. = 155

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Help please. If correct I’ll mark as brainliest but I rlly need help.
kykrilka [37]

Answer:

46

Step-by-step explanation:

x +3x+5x - 54 = 360

x +3x+5x = 360 + 54

9x = 414

x= 46

4 0
3 years ago
On monday it took 5 builders to 3 1/2 hours to build a wall
zubka84 [21]

Answer:   £ 81.38

Step-by-step explanation:

Given: On Monday,

5 builders took 3\dfrac{1}{2} hours  ( i.e. \dfrac{7}{2} hours )  to build a wall.

On Tuesday, only 2 builders were available.

As workers are inversely proportional to the time if the job remains constant.

Inverse variation equation : x_1y_1=x_2y_2

Let x be the time taken by 2 builders, then

2\times x =5\times \dfrac{7}{2}

\Rightarrow\ x=\dfrac{35}{2}\times\dfrac{1}{2}=\dfrac{35}{4}=8.75

So, 2 builders will take 8.75 hours.

Each paid  £9.30 for each hour.

Then, each builder will be paid for the work completed on Tuesday = £9.30 x  8.75

≈ £ 81.38

Hence, each builder will be paid £ 81.38 for the work completed on Tuesday .

5 0
3 years ago
4. Simplify 105<br> O A. 2/7<br> O B. / 105<br> O c. 42<br> O D. 2/3
Assoli18 [71]

Answer:

B. 105

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
A baker decorates 42 cupcakes in 30 minutes.She decorates cupcakes at a constant rate.
NikAS [45]

Answer:

12

Step-by-step explanation:

Well the way i said it was

-

42-30= 12

altho i not very sure

3 0
3 years ago
Omar broke a cell sample into 8 batches, each
Nady [450]

Step-by-step explanation:

we have 8 equally "heavy" batches.

one weighs 3.9 × 10^-10 g

so, the total sample then weighed

8 × 3.9 × 10^-10 = 31.2 × 10^-10 = 3.12 × 10^-9 g

7 0
2 years ago
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