最新の問題
The image presents three math problems. (i) Find the value of $k$ given $y = kx^2$ and $y = 4$ when ...
EquationsVariablesDirect and Inverse VariationQuadratic EquationsSubstitutionSolving Equations
2025/3/20
14.6%の食塩水200gと5.6%の食塩水400gを混ぜたとき、何%の食塩水になるかを求める問題です。
濃度食塩水割合計算
2025/3/20
4. 6%の食塩水200gと5.6%の食塩水400gを混ぜたとき、何%の食塩水になるかを求める問題です。
濃度食塩水計算割合
2025/3/20
The problem is related to direct variation. It is given that $y$ varies directly as the square of $x...
Direct VariationProportionalityAlgebraic Equations
2025/3/20
The problem states that $y$ varies directly as the square of $x$. We are given that $y=4$ when $x=1$...
Direct VariationProportionalityEquations
2025/3/20
Given the probabilities $P(A) = \frac{1}{2}$, $P(B) = \frac{1}{3}$, $P(C) = \frac{1}{5}$, $P(AB) = \...
ProbabilityInclusion-Exclusion PrincipleDe Morgan's LawSet TheoryConditional Probability
2025/3/20
We are given the probabilities of events $A$, $B$, $C$, $AB$ (which means $A \cap B$), $AC$ (which m...
ProbabilitySet TheoryEventsUnionIntersectionComplement
2025/3/20
The problem has two parts. (i) Given $P(A) = \frac{1}{2}$ and that events $A$ and $B$ are mutually e...
ProbabilityMutually Exclusive EventsConditional ProbabilitySet Theory
2025/3/20
3を未知数$c$で割った値が与えられた図形（矢印が斜め下を向いている）であるとき、$c$の値を求めなさい。ただし、与えられた図形は数字の7を表すとする。
方程式分数
2025/3/20
Solve the inequality $\frac{4}{3}(3 + \frac{3}{4}x) > -\frac{2}{5}(2x+1)$.
InequalitiesLinear InequalitiesAlgebraic Manipulation
2025/3/20