Help me please, it’s regular science for 5th grade.

Answer:

[tex]sum \: two \:eqations \\ 3x = - 6 \\ x = - 2 \\ - 2 + y = 3 \\ y = 5[/tex]

Answer:

A: 160+12m=400

Step-by-step explanation:

i am very smart just trust me on this one

Answer:

a

Step-by-step explanation:

So,

∠R is the largest angle and side opposite to largest angle is the longest side. ∴PQ is the longest side of the triangle.

__________________________

Answer:

The solution of this trigonometric identity is [tex]\theta = 56.310^{\circ} \pm 180\cdot i ^{\circ}[/tex], [tex]\forall \,i\in \mathbb{N}_{O}[/tex].

Step-by-step explanation:

Let [tex]7\cdot \tan \theta - 8 = 5\cdot \tan \theta -5[/tex], we proceed to simplify the expression and solve afterwards either by algebraic or by trigonometric means:

[tex]7\cdot \tan \theta -8 = 5\cdot \tan \theta -5[/tex]

[tex]2\cdot \tan \theta = 3[/tex]

[tex]\tan \theta = \frac{3}{2}[/tex]

[tex]\theta = \tan^{-1} \frac{3}{2}[/tex]

The tangent is a trigonometric function with a period of 180°. Hence, we find that the family of angles associated with such value is:

[tex]\theta = 56.310^{\circ} \pm 180\cdot i ^{\circ}[/tex], [tex]\forall \,i\in \mathbb{N}_{O}[/tex]

Answer:

6mm

Step-by-step explanation:

pythagorean theorem

Answer:

Solution given:

length[a]=8mm

base(b)=xmm

hypotenuse [c]=10mm

we have

by using Pythagoras law

a²+b²=c²

8²+x²=10²

x²=100-64

x=√36

x=6mm

the length of the leg b is 6mm.

Answer:

D

Step-by-step explanation:

13+15=28

there are 15 males, it does not matter if its a pick, to do a ratio of two numbers add the two and put the number requested to be compared

Answer:

option D

Step-by-step explanation:

13 male patients and 15 female patients one day

female -  15

total - 28

I hope this helped!

Answer:

Every prism has as many faces, and edges, as its base has sides. Thus, a prism with an octagonal (eight sided) base has eight lateral faces, and eight lateral edges. Each lateral face meets two other lateral faces, as well as the two bases. As a consequence, each lateral face is a four sided polygon.

The number of sides of the base of a prism and the number of lateral faces is equal.

A prism is a three-dimensional object with two congruent and parallel faces, called the bases and it encloses the space between the bases. Every cross-section parallel to the base of a prism is congruent to its base.

In the question, we are asked to tell the relationship between the number of sides of the base of a prism and the number of lateral faces.

We let the number of sides of the base of the prism be s, and let the number of lateral faces of the prism be f.

We know that a prism has two parallel and congruent bases and every corresponding side of the base are connected by a pane. These planes are the lateral faces of the prisms. As each corresponding pair of sides is connected by one lateral face, the number of the lateral face is equal to the number of sides of the base.

∴ The number of sides of the base = The number of lateral faces of the prism

or, s = f.

∴ We can say that the number of sides of the base of a prism and the number of lateral faces are equal.

Learn more about prisms at

https://brainly.com/question/1297098

#SPJ2

Answer:

[tex]\huge \fbox \pink {A}\huge \fbox \green {n}\huge \fbox \blue {s}\huge \fbox \red {w}\huge \fbox \purple {e}\huge \fbox \orange {r}[/tex]

[tex]x = 3[/tex]

[tex] {2x}^{3} + {x}^{2} - x \\ = 2(3) {}^{3} + (3) {}^{2} - 3 \\ = 2 \times {3}^{3} + {3}^{2} - 3 \\ = 2 \times 27 + 9 - 3 \\ = 54 + 9 - 3\\ = 63 - 3 \\ = 60 [/tex]

ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ

[tex] \huge\blue{ \mid{ \underline{ \overline{ \tt ꧁❣ ʀᴀɪɴʙᴏᴡˢᵃˡᵗ2²2² ࿐ }} \mid}}[/tex]

Answer:23.81

Step-by-step explanation:

Answer:

9.9 x 10^-5

Step-by-step explanation:

Answer:

3694.5 yd^3

Step-by-step explanation:

cone volume equation:

π x [tex]r^{2}[/tex] x [tex]\frac{h}{3}[/tex]

π (28 yd/2)^2 x (18/3)

π x 196 x 6

3694.5 yd^3

Answer:

19.5

Step-by-step explanation:

2 x 19.5 = 39 - 29 = 10 :D

Answer:

Martha needs 10 more days

Step-by-step explanation:

25 Liters = 5 days

25*2=50 so double equation

25*2=5*2

50 Liters =10 days

it takes 10 days to jar 50 Liters of jam

Answer:

A = 1,133.5 m³

Step-by-step explanation:

Surface area of a sphere, A = 4πr²

π = 3.14

Radius, r = diameter / 2

= 19 m / 2

= 9.5 m

Surface area of a sphere, A = 4πr²

A = 4 * 3.14 * (9.5)²

= 4 * 3.14 * 90.25

= 1,133.54

A = 1,133.54 m³

To the nearest tenth

A = 1,133.5 m³

Answer:

Markup will be 30% of 250$ =75$

Answer:

75 dollars

Step-by-step explanation:

I hope this answer helped you. I'm not gonna give a step by step explanation though

Answer:

Parabola

Step-by-step explanation:

Answer:

Step-by-step explanation: Xmin:

-10

Xmax:

10

Ymin:

-10

Ymax:

10

Answer:

non of these choice are correct

Step-by-step explanation:

288.09-43.15+100.00-24.10 = 320.84

Answer:

B

Step-by-step explanation:

Edge 2021

Answer:

Step-by-step explanation:

no not right angle

use the lengths of corresponding sides

so answer is 16:40  which simplifies to  2:5.

Answer:

2:5

Step-by-step explanation:

Answer:

A = 1000(1 + .03 /4)4t

Explanation:

The money invested is the principal that is $ 1000.

The quarterly interest = 3/4 = 0.75 %

Assuming the number of years the money invested was x, then the interest period (n) will be 4 x (quarters)

Using the formula, A = P (1 + r/100)∧n

Therefore, the growth of the investment will be given by

1000( 1.0075)∧n, where n is the interest period.

Answer: Still need help? I got answer if you want.. if you don’t need help then I kinda stole your points lol

Step-by-step explanation:

Answer:

pyramid and cone

Step-by-step explanation:

on khan

Answer:

6704

Step-by-step explanation:

34206-27502=x