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2 years ago

Write the expression for the following the product of five and two ,added to seven. PLS HELP ME

Mathematics

2 answers:

netineya [11]2 years ago

4 0

Answer:

5 times 2 + 7

Step-by-step explanation:

lorasvet [3.4K]2 years ago

3 0

Answer:

5*2+7

Step-by-step explanation:

i believe thats it

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Anna has leaned a ladder against the side of her house. If the ladder forms a 72º angle with the ground and rests against the ho

LuckyWell [14K]

Answer:

(A) 2 meter

Step-by-step explanation:

It is given that the ladder forms a 72º angle with the ground and rests against the house at a spot that is 6 meters high.

Let the measure of bottom of the ladder from the wall be x, then using the trigonometry, we have

$\frac{CB}{AB}=tan72^{\circ}$

$\frac{6}{x}=tan72^{\circ}$

$\frac{6}{x}=3.077$

$x=\frac{6}{3.077}$

$x=1.94$

$x$ ≈ $2m$

Thus, option A is correct.

6 0

3 years ago

Read 2 more answers

Write an expression to<br> represent the perimeter of<br> the rectangle:<br> 3* +10<br> * +5

Schach [20]

Answer:

the perimeter is 18

Step-by-step explanation:

3 0

3 years ago

What is the distributive property of 5(12x -3) -7(2x +1)

Fed [463]

Answer:

46x-22

Step-by-step explanation:

5(12x-3)-7(2x+1)

60x-15-14x-7

60x-14x-15-7

46x-15-7

46x-22

8 0

3 years ago

Read 2 more answers

What is the equation of a circle with center (-3, -5) and radius 4?

o-na [289]

Answer:

$(x+3)^{2} +(y+5)^{2} =16$

Step-by-step explanation:

the general equation of a circle is

$(x-h)^{2} + (y-k)^{2} =r^{2}$

with (h,k) being the centre of the circle and r the radius

8 0

2 years ago

Pre-Calculus Help? Polar and Parametric Equations?

Paraphin [41]

$\bf x=rcos(\theta )\implies \cfrac{x}{cos(\theta )}=r\\\\
y=rsin(\theta )\implies \cfrac{y}{sin(\theta )}=r
\\\\
-------------------------------\\\\
r=3cos(\theta )\implies \cfrac{x}{cos(\theta )}=3cos(\theta )\implies x=3cos(\theta )cos(\theta )
\\\\\\
\boxed{x=3cos^2(\theta )}
\\\\\\
r=3cos(\theta )\implies \cfrac{y}{sin(\theta )}=3cos(\theta )\implies \boxed{y=3cos(\theta )sin(\theta )}$

7 0

2 years ago