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2 years ago

The figure below shows one of the paving stones in Jack's garden.

Mathematics

1 answer:

aksik [14]2 years ago

4 0

B. 900 inches squared

Work is shown in IMG

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A new crew of painters takes two times as long as the old painters. Together they can paint in 6 hours. How many hours does it t

babymother [125]

Let n be old painters time. Then the new painters are 2n. So:
1/n+1/2n=1/6
2+1=2n/6
2n=18
n=9
The old painters take 9 hours; the new ones take 18
☺☺☺☺

3 0

2 years ago

Find (3.3 × 10^4) + (1.9 × 10^5)

scoundrel [369]

Answer:

$2.23 \times 10^{5}$

Step-by-step explanation:

We have to find the sum of two numbers following the steps as described in the question.

The question is in the form of fill in the blanks.

Now, the given sum is $(3.3 \times 10^{4} )+(1.9 \times 10^{5} )$

= $(3.3 \times 10^{4} )+(19 \times 10^{4} )$

= $(3.3+19) \times 10^{4}$

= $22.3 \times 10^{4}$

= $2.23 \times 10^{5}$ (Answer)

5 0

2 years ago

PLEASE HELP ASAP!! I will give brainliest

Olin [163]

Answer:

Part A: Data summary is given in the table

Part B: out of the total 100 students, 15 students do not like either tennis or track

$\frac{15}{100}$ = 0.15

0.15 × $\frac{100}{100}$ = 15%

Part C:

Total no. of students that dislike track = 60

Total no. of students that dislike tennis = 40

According to the survey results, more people dislike track.

6 0

2 years ago

Read 2 more answers

What is 4km:370m in simplest form

Naya [18.7K]

Answer:

4.37 KM

Step-by-step explanation:

370 m to KM = 0.37 KM

then you sum 4 KM + 0.37 KM and you have 4.37 KM in its simplest form.

Best regards

4 0

3 years ago

If m CDE=(3x+10)° m CDF=(x+25)°, and m EDF= 65°. Find m CDF

aleksley [76]

m∠CDF + m∠EDF = ∠CDE

$x + 25° + 65° = 3x + 10$

$x + 90° = 3x + 10$

$90° = 3x + 10 - x$

$90° = 2x + 10$

$2x + 10 = 90$

$2x = 90 - 10$

$2x = 80$

$x = \frac{80}{2}$

$x = 40°$

m∠CDE

= 3 × 40 + 10

= 120 + 10

= 130°

$x + 25 \\ = 40 + 25 \\ = 65°$

5 0

2 years ago