3 years ago

Plz help True or false

Mathematics

2 answers:

Snezhnost [94]3 years ago

7 0

Answer:

a. true

b. true

c. false

d. false

Step-by-step explanation:

Kitty [74]3 years ago

6 0

Answer:

1. true

2. true

3. false

4. true? (the last one im not sure about)

Step-by-step explanation:

You might be interested in

Factor the expression below:<br> X^2-10x+25

vitfil [10]

$\textbf{ \underline{Using middle term splitting:}} \\ \\ {x}^{2} - 10x + 25 \\ = {x}^{2} - 5x - 5x + 25 \\ = x(x - 5) - 5(x - 5) \\ = (x - 5)(x - 5) \\ = {(x - 5)}^{2}$
___________________________

$\textbf{ \underline{Using identity: }} \underline{ {(a - b)}^{2} = {a}^{2} - 2ab + {b}^{2} }\\ \\ {x}^{2} - 10x + 25 \\ = {(x)}^{2} - 2 \times 5 \times x + {(5)}^{2} \\ = {(x - 5)}^{2}$

4 0

4 years ago

Evaluate the function f(-2) - h(4) given the following functions: f(x) = 4x 2+ 9 h(x) = 3x - 14

Goryan [66]

Answer:

-86

Step-by-step explanation:

simplify each equation as much as possible

f(x)= 4x(2+9) add

4x(11) multiply

f(x)=44x

substitute given numbers into each equation

44(-2)=-88 3(4)-14= 12-14=-2

combine equations

-88-(-2)= -86 add since you are subtracting a negative number

4 0

3 years ago

Mason opens a savings account by making a $165.85 deposit. Every week, he deposits another $20.50 in the account. The following

Dmitriy789 [7]

First add your total then times that by 10

4 0

3 years ago

Read 2 more answers

Area of parts of circles

givi [52]

Area of semicircle = (πr²) ÷ 2

Area of semicircle:
= (3.14)(2)² ÷ 2

= (3.14)(4) ÷ 2

= 12.56/2

= 6.28

8 0

3 years ago

Look at the hexagonal numbers. Use finite differences

pshichka [43]

Answer:

f(x) = 2x2 – x

Step-by-step explanation:

8 0

3 years ago