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Olegator [25]
3 years ago
6

Help with this question pleases

Mathematics
2 answers:
guapka [62]3 years ago
7 0

Answer:

120cm ÷ 30 = 4

630cm ÷ 30 = 21

21 × 4 = 84

2.50 × 84 = $210

Julli [10]3 years ago
6 0

Step-by-step explanation:

Hello there!

First, find the area of the patio;

630 x 120 = 75600 cm ^2

Divide that by the area of one paver;

75600/30^2=84 pavers

Now find the price:

84*2.50=£210

:)

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Wing figures, solve for x. Complete parts (a) 80° 53​
Korolek [52]

Answer:

x = 25°

Step-by-step explanation:

Applying,

Sum of the angle in the triangle = 180°

From the diagram,

First angle of the triangle = 55° (vertically opposite angles are equal)

Second angle of the traingle = 180-80 = 100° (sum of the angle in a straight line)

Third angle of the triangle = x

Therefore,

x+55+100 = 180

x+155 = 180

x = 180-155

x = 25°

7 0
2 years ago
The sum of two numbers is 75. The second number is 3 less than twice the first
Mandarinka [93]

Answer:

\large{\textbf{The two numbers are: 26 and 49}.\\}

Step-by-step explanation:

\large{\textup{assume the two numbers are $x$ and $y$.}}\\\large{\textup{The given sentences are written in mathematical terms as follows:}\\$$ x + y =  75  \hspace{25mm} (1)$$ $$ y = 2x - 3 \hspace{25mm} (2) $$  \\\textup{Substituting $(2)$ in $(1)$,}\\\begin{align*} &  \implies x + 2x - 3 = 75  \\& \implies 3x = 78 \\& \implies x = 26\end{align*}\textup{Substituting $x$ in $(1), \hspace{5mm} y = 49$} }

7 0
3 years ago
Pls help<br> Find the volume of the composite solid.
BaLLatris [955]
6cm this should be right
4 0
3 years ago
What is P-6 equal.
katovenus [111]

Answer:

Step-by-step explanation:

P-6 is an expression, your question is incomplete.

6 0
3 years ago
Please help thank you
Elodia [21]

Answer:

a1 = 6

a2 = 15

a3 = 24

a4 = 33

Step-by-step explanation:

Let k =1

a1 =-3 +9(1) = -3 +9 = 6

Let k = 2

a2 = -3 +9(2) =-3+18 = 15

Let k =3

a3 =-3 +9(3) = -3 +27 = 24

Let k = 4

a4 = -3 +9(4) =-3+36 = 33

8 0
3 years ago
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