Mathematics, 25.08.2020 14:01 peno211
Factorise -75ab² - 15ac
5a(3b - c)
-15b²(3a + c)
-15a(5b² + c)
15a(5b² - c)
A triangle has a base of length 6 cm and an area of less than 12 cm². Which of the following gives the height h of the triangle
h < 4 cm
h < 6cm
h < 12 cm
h < 24 cm
Expand (2x-3)(2x +3)
4x² + 12x + 9
4x² - 12x – 9
4x² - 9
4x² + 9
A woman buys 8 tubers of yam at #200 each and sells them at a profit of 12%. Calculate the selling price.
#192
#1600
#1792
#2000
What is the size of each angle of a regular 15-sided polygon?
78⁰
156⁰
185⁰
200⁰
The height of a boy is t cm. His father is two times his height. Express the height of the father in terms of t.
5t cm
2t cm
t cm
t² cm
Factorise 4am² - 6am
2am(2m – 3)
m²(2a - 3m)
am²(4 - 6a)
2a²m²(2m - 3)
What is the slant height of a cone of height 8cm and base diameter of 12cm?
5 cm
6 cm
8 cm
10 cm
Express 51 x 10⁻⁵ as a decimal number.
0•000051
0•00051
0•0051
0•51
A television costs #54 000. A 12¹/₂% discount is given for cash. What is the cash price ?
# 54 000
# 47 000
# 47 250
# 6 750
Find y-intercept in the graph below

(0, 1)
(0, 5)
(5, 0)
(0, 2)
Simplify - 40pq ÷ (-2)²
-10p
-10q
-10pq
10pq
Express the product of 0•003 and 0•045 in standard form.
3•45 x 10⁵
1•35 x 10⁵
1•35 x 10⁻⁵
1•35 x 10⁻⁴
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Which of these is the three figure bearing of the acute-angle bearing N40⁰W ?
320⁰
310⁰
270⁰
040⁰
The volume of a cylinder is 700π cm³. What is the base diameter of the cylinder if its height is 7 cm ?
6•5 cm
7cm
10 cm
20 cm
What is the LCM of 2x²y, 3xy² and 4x²y ?
16x²y²
12x²y²
12x²y
7xy
Express 636 000 in standard form.
6.36 x 10⁻⁵
6.36 x 10⁻⁴
6.36 x 10⁴
6.36 x 10⁵
A cone and a cylinder have equal volumes and radii. The height of the cone is 12 cm. What is the height of the cylinder?
4 cm
12 cm
36 cm
50 cm
Find the angle measured clockwise between the directions: N and SW
45°
135°
180°
225°
What is the total surface area of a cylinder opened at one end if its height is 20cm and it's diameter is 14cm (π = 3¹/₇)
880 cm²
1034 cm²
1188 cm²
1250 cm²
I think of a number. I then double it. The result is 58. What number did I think of ?
29
20
16
10
RSTU is a quadrilateral as seen below. What is the value of X?

5
10
11
15
Answers: 2
Mathematics, 21.06.2019 21:30
Cal's go cart has a gas tank with the dimensions shown below. he uses a gas can that holds 11 gallon of gas, to fill the go cart tank. 11 gallon = 231 inches^3 how many full gas cans will it take to fill the go cart's gas tank?
Answers: 3
Mathematics, 21.06.2019 23:30
Maren is buying carpet for her rectangular living room. the room is 4.8 yards wide and 5.2 yards long. how much carpet does she need to buy? enter your answer as a decimal in the box. yd2
Answers: 1
Mathematics, 21.06.2019 23:50
The federal reserve controls certain interest rates in the united states. investors often try to speculate as to whether the federal reserve will raise or lower rates and by how much. suppose a company conducts extensive interviews with financial analysts, and as a result, predicts that "thefed" will increase rates by an average of 0.25 percentage points every six months for the forseeable future. which type of equation could be used to model the predicted interest rates over the next several years, assuming no other significant changes? a) a linear equation b) a quadratic equation c) a polynomial equation d) an exponential equation
Answers: 3
Mathematics, 22.06.2019 00:20
Ze trinomial x2 + bx – c has factors of (x + m)(x – n), where m, n, and b are positive. what is ze relationship between the values of m and n? explain how you got ze answer
Answers: 2
Factorise -75ab² - 15ac
5a(3b - c)
-15b²(3a + c)
-15a(5b² + c)
15a...
-15b²(3a + c)
-15a(5b² + c)
15a...
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