Maths is hardddddddddd

Answer:

c. 45

Step-by-step explanation:

Answer:

40

Step-by-step explanation:

90 degree angle - the 10 degrees = 80

divide by 2 because 2x=80 and get 40

Answer:

height = 4.5 cm

Step-by-step explanation:

9 liters = 9000 cm^3

(50x40xH) = 9000

H = 4.5 cm

Answer:

(-3,0)

Step-by-step explanation:

2x-3+0=-6

Answer:

h = 13ft

Step-by-step explanation:

We can assume that the triangles are similar, so:

5 ft is to 26 ft as 2.5 ft is to h ft.

Which can be set up like this:

[tex]\frac{5}{2.5}=\frac{26}{h}[/tex]

We can cross multiply:

5h = (2.5) (26)

5h = 65

h = 13ft

Answer:

C

Step-by-step explanation:

C, because if you just have a random variable like x,y,z there's always an imaginary 1 in front of them.

Answer:

p= 1/4 or 0.25

Step-by-step explanation:

Answer:

p = 1/4 or .25

Step-by-step explanation:

We first multiply by the reciprocal of fraction to move to the other side.

[tex]p + 1 = \frac{5}{4} [/tex]

Reduce

p = 1/4

Answer:

x = 5

y = 7

Step-by-step explanation:

Since they are both equal to y, we can set them equal to each other.

2x - 3 = x + 2

Combine like terms and isolate the x.

x = 5

Plug in the x to either equation to get the value of y.

y = (5) + 2

y = 7

Answer:

16

Step-by-step explanation:

Answer:

The solution of the first image is: b = √48

The solution of the second image is: c = √125

Step-by-step explanation:

Here we have two triangle rectangles, first, we need to remember the Pythagorean theorem.

For a triangle rectangle with cathetus A and B, and a hypotenuse H, we have the relationship:

A^2 + B^2 = H^2

Where H is the side that is opposite to the right angle (the angle of 90°)

In the first image, we can see that the hypotenuse is equal to 8, and one cathetus is equal to 4.

We want to find the value of b, that is the other cathetus.

Then we have:

4^2 + b^2 = 8^2

b^2 = 8^2 - 4^2

b^2 = 48

b = √48

Second image:

in this case, c is the hypotenuse, a and b are the cathetus.

We know that:

a = 5, b = 10

Then we have the equation:

a^2 + b^2 = c^2

Now we can replace the above values:

5^2 + 10^2 = c^2

25 + 100 = c^2

125 = c^2

√125 = c

Answer:

b

Step-by-step explanation:

ADC= CBA

Answer:

choice 4) angle ACD congruent to angle CAB

Answer:

tengo

Step-by-step explanation:

Answer:

your answer is No tengo lapices. YO tengo que comprar (buy) unos.

Step-by-step explanation:your answer is tengo

Answer:

300

Step-by-step explanation:

120 is 40%

40% plus 40$ = 120+120=240

20% left.

120/2=60

240+60=300

300=answer

Answer:

Trippin trippin

Step-by-step explanation:

Like frfr Trippin trippin

Answer:

61

i guess 99.99% sure

Step-by-step explanation:

Answer:

it is 61

Step-by-step explanation:

because you should  count the total squares and count the total shaded ones

after that u should divide them and multiply 100

Answer:

4 ÷ 10

Step-by-step explanation:

The computation of P is shown below:

If we add two marbles i.e.

= 4 + 6

= 10 marbles

Now if we draw the second marble

P(blue) = Blue marbles ÷ total marbles

= 4 ÷ 10

In the other case

P( blue second given a green first) = 4 ÷ 10

Answer:

True

Step-by-step explanation:

it is 3/5. Than 6/10 is equal to 3/5. Than 9/15 is equal to 3/5.

Answer: True

Step-by-step explanation:

That is true because let's take the first point for example.

3 cups of almonds for 5 cups of oats.

3/5 of 5 is 3

So that's correct.

If you still aren't sure you should try that with a different point. Hmm how about :

9 cups of almonds for 15 cups of oats

3/5 of 15 = 45/5 = 9

That's correct as well.

Hope these helps!

Answer:

1 is 17

Step-by-step explanation:

2 is 15. Mark me BRAINLISTESLD

Answer:

7.6= 76 x 10 to the power of 1

760= 76 x 10 to the power of 1

7600= 76 x 10 to the power of 2

Step-by-step explanation:

Answer:

Step-by-step explanation:

Draw the altitude from the vertex angle to the base. You have two congruent, right triangles. The hypotenuse of each triangle is

√[(56/2)²+45²] = √[28²+45²] = √2809 = 53 mm

perimeter of larger triangle = 2×53 + 56 = 162 mm

Answer:

9/16 square yd

Step-by-step explanation:

Answer:

it would be three yards for the area

Step-by-step explanation:

when i first saw this i thought it said elmo

Answer:

( 3[tex]x[/tex] - 5 ) ( [tex]x[/tex] + 1 )

Step-by-step explanation:

[tex]3x^{2}[/tex] - 2[tex]x[/tex] - 5

(Multiply 3 from [tex]3x^{2}[/tex] with -5)

Product = -15

Sum = -2

(3 times - 5 gives the product '-15' and 3 plus -5 gives the sum -2)

[tex]3x^{2}[/tex] + 3[tex]x[/tex] - 5

3[tex]x[/tex] ( [tex]x[/tex]  + 1 ) - 5 ( [tex]x[/tex] + 1 )

= ( 3[tex]x[/tex] - 5 ) ( [tex]x[/tex] + 1 )

Answer:

m=2

Step-by-step explanation:

m = slope

(x_1, y_1) = coordinates of first point in the line

(x_2, y_2) = coordinates of second point in the line

Answer:

157

Step-by-step explanation:

C = [tex]\pi[/tex] x diameter.

C = 3.14 x 50

C = 157 units

Using the distributive property, distributing -1 ; multiplies each term in the parenthesis by a negative sign. Hence, it is similar to subtraction because You multiply each term inside the parentheses by –1 in order to subtract each term, since subtraction is the additive inverse.

The additive inverse of a value is the value which ensures that the addition of two values gives 0.

Using the relation :

(w + x) - (y + z)

The negative sign implies distributing -1 to all values in the parenthesis ;

w + x - y - z

Hence, it is similar to using the subtraction operation directly :

(w + x) - y - z

Therefore, subtraction ls similar to distributing - 1

Learn more :https://brainly.com/question/20901195

Answer:

you can because the real cube root of any negative real number is negative.

Step-by-step explanation:

Answer: The reason that we can't have the square (or quartic) root of a negative number is that two negatives always cancel to give a plus; so the square root of a negative number is undefined. ... The Real cube root of any negative Real number is negative.bc. a negativ number multiplied by it self 3 time result negativ too

hope this helps ❤️

Step-by-step explanation: